diff --git a/index.css b/index.css
index a6e8e762..eb831a3d 100644
--- a/index.css
+++ b/index.css
@@ -232,8 +232,7 @@ i.icon-lock {
 }
 
 #routeEditor > *,
-#labelEditor div,
-#markerEditor div {
+#labelEditor div {
   display: inline-block;
 }
 
@@ -1519,7 +1518,8 @@ div.states > .coaIcon > use {
 
 #stateNameEditor div.label,
 #provinceNameEditor div.label,
-#regimentBody div.label {
+#regimentBody div.label,
+#markerEditor div.label {
   display: inline-block;
   width: 5.5em;
 }
@@ -1968,10 +1968,6 @@ div.textual span,
   dominant-baseline: central;
 }
 
-#markerEditor > button {
-  vertical-align: top;
-}
-
 .highlighted {
   outline-width: 2px;
   outline-style: dashed;
diff --git a/index.html b/index.html
index 9c892aa3..24005ede 100644
--- a/index.html
+++ b/index.html
@@ -2026,39 +2026,66 @@
     </div>
 
     <div id="markerEditor" class="dialog" style="display: none">
+      <div id="markerBody" style="padding-bottom: .3em">
+        <div data-tip="Marker type. Style changes will apply to all markers of the same type. Leave blank if the marker is unique">
+          <div class="label">Type:</div>
+          <input id="markerType" />
+        </div>
 
-      <button id="markerGroup" data-tip="Change marker type" class="icon-tags"></button>
-      <div id="markerGroupSection" style="display: none">
-        <select id="markerSelectGroup" data-tip="Select type for the selected marker" style="width: 10em"></select>
-        <input id="markerInputGroup" data-tip="Create new type for selected marker" placeholder="type new name" style="display: none; width: 10em"/>
-        <i id="markerAddGroup" data-tip="Create new markers type" class="icon-plus pointer"></i>
-        <i id="markerRemoveGroup" data-tip="Remove all markers of that type" class="icon-trash pointer"></i>
+        <div data-tip="Marker icon. Paste any Unicode symbol or select from the predefined list">
+          <div class="label">Icon:</div>
+          <input id="markerIcon" style="width:5em" />
+          <button id="markerIconSelect" style="padding: 0; width: 4.5em">select</button>
+        </div>
+
+        <div data-tip="Marker icon size in pixels">
+          <div class="label">Icon size:</div>
+          <input id="markerIconSize" type="number" min="2" max="20" step="0.5" />
+        </div>
+
+        <div data-tip="Marker icon shift (by X and by Y axis), percent. Set to 50 to position icon in center">
+          <div class="label">Icon shift:</div>
+          <input id="markerIconShiftX" type="number" min="0" max="100" step="1" style="width:5em" />
+          <input id="markerIconShiftY" type="number" min="0" max="100" step="1" style="width:5em" />
+        </div>
+
+        <div data-tip="Size of the marker">
+          <div class="label">Marker size:</div>
+          <input id="markerSize" type="number" min="2" max="500" />
+        </div>
+
+        <div data-tip="Marker pin shape">
+          <div class="label">Pin shape:</div>
+          <select id="markerPin" >
+            <option value="bubble">Bubble</option>
+            <option value="pin">Pin</option>
+            <option value="square">Square</option>
+            <option value="squarish">Squarish</option>
+            <option value="diamond">Diamond</option>
+            <option value="hex">Hex</option>
+            <option value="hexy">Hexy</option>
+            <option value="shieldy">Shieldy</option>
+            <option value="shield">Shield</option>
+            <option value="pentagon">Pentagon</option>
+            <option value="heptagon">Heptagon</option>
+            <option value="circle">Circle</option>
+            <option value="no">No</option>
+          </select>
+        </div>
+
+        <div data-tip="Pin fill and stroke colors">
+          <div class="label">Pin colors:</div>
+          <input id="markerFill" type="color" style="width:5em" />
+          <input id="markerStroke" type="color" style="width:5em" />
+        </div>
       </div>
 
-      <button id="markerIcon" data-tip="Change marker icon and edit positioning" class="icon-star"></button>
-      <div id="markerIconSection" style="display: none">
-        <i data-tip="Change marker icon size" class="icon-resize-full"></i>
-        <input id="markerIconSize" data-tip="Change marker icon size" type="range" min=5 max=30 step=.5 value=22 style="width:12em"><br>
-        <i data-tip="Marker Icon" class="icon-info"></i>
-        <button id="markerIconSelect" data-tip="Click to select icon"></button>
-        <i data-tip="Change marker horizontal shift" class="icon-resize-horizontal"></i>
-        <input id="markerIconShiftX" data-tip="Change icon horizontal shift" type="number" value=50>
-        <i data-tip="Change marker vertical shift" class="icon-resize-vertical"></i>
-        <input id="markerIconShiftY" data-tip="Change vertical shift" type="number" min=0 max=100 value=50>
+      <div id="markerBottom">
+        <button id="markerNotes" data-tip="Edit place legend (notes)" class="icon-edit"></button>
+        <button id="markerLock" class="icon-lock-open"></button>
+        <button id="markerAdd" data-tip="Add additional marker of that type" class="icon-plus"></button>
+        <button id="markerRemove" data-tip="Remove the marker. Shortcut: Delete" class="icon-trash fastDelete"></button>
       </div>
-
-      <button id="markerStyle" data-tip="Change marker size and colors" class="icon-brush"></button>
-      <div id="markerStyleSection" style="display: none">
-        <i data-tip="Change marker base (pin) style" class="icon-map-pin"></i>
-        <input id="markerSize" data-tip="Change marker size" type="range" min=.01 max=10 step=.1 value=1 style="width:12em">
-        <input id="markerBaseStroke" data-tip="Change pin stroke color" type="color" value="#ffffff">
-        <input id="markerBaseFill" data-tip="Change pin fill color" type="color" alue="#000000">
-      </div>
-
-      <button id="markerToggleBubble" data-tip="Toggle pin (bubble) display" class="icon-info-circled"></button>
-      <button id="markerLegendButton" data-tip="Edit place legend (free text notes)" class="icon-edit"></button>
-      <button id="markerAdd" data-tip="Add additional marker of that type" class="icon-plus"></button>
-      <button id="markerRemove" data-tip="Remove the marker. Shortcut: Delete" class="icon-trash fastDelete"></button>
     </div>
 
     <div id="regimentEditor" class="dialog" style="display: none">
diff --git a/main.js b/main.js
index 2024db1a..9277c6bf 100644
--- a/main.js
+++ b/main.js
@@ -340,11 +340,39 @@ function findBurgForMFCG(params) {
 
 // apply default biomes data
 function applyDefaultBiomesSystem() {
-  const name = ["Marine", "Hot desert", "Cold desert", "Savanna", "Grassland", "Tropical seasonal forest", "Temperate deciduous forest", "Tropical rainforest", "Temperate rainforest", "Taiga", "Tundra", "Glacier", "Wetland"];
+  const name = [
+    "Marine",
+    "Hot desert",
+    "Cold desert",
+    "Savanna",
+    "Grassland",
+    "Tropical seasonal forest",
+    "Temperate deciduous forest",
+    "Tropical rainforest",
+    "Temperate rainforest",
+    "Taiga",
+    "Tundra",
+    "Glacier",
+    "Wetland"
+  ];
   const color = ["#466eab", "#fbe79f", "#b5b887", "#d2d082", "#c8d68f", "#b6d95d", "#29bc56", "#7dcb35", "#409c43", "#4b6b32", "#96784b", "#d5e7eb", "#0b9131"];
   const habitability = [0, 4, 10, 22, 30, 50, 100, 80, 90, 12, 4, 0, 12];
   const iconsDensity = [0, 3, 2, 120, 120, 120, 120, 150, 150, 100, 5, 0, 150];
-  const icons = [{}, {dune: 3, cactus: 6, deadTree: 1}, {dune: 9, deadTree: 1}, {acacia: 1, grass: 9}, {grass: 1}, {acacia: 8, palm: 1}, {deciduous: 1}, {acacia: 5, palm: 3, deciduous: 1, swamp: 1}, {deciduous: 6, swamp: 1}, {conifer: 1}, {grass: 1}, {}, {swamp: 1}];
+  const icons = [
+    {},
+    {dune: 3, cactus: 6, deadTree: 1},
+    {dune: 9, deadTree: 1},
+    {acacia: 1, grass: 9},
+    {grass: 1},
+    {acacia: 8, palm: 1},
+    {deciduous: 1},
+    {acacia: 5, palm: 3, deciduous: 1, swamp: 1},
+    {deciduous: 6, swamp: 1},
+    {conifer: 1},
+    {grass: 1},
+    {},
+    {swamp: 1}
+  ];
   const cost = [10, 200, 150, 60, 50, 70, 70, 80, 90, 200, 1000, 5000, 150]; // biome movement cost
   const biomesMartix = [
     // hot ↔ cold [>19°C; <-4°C]; dry ↕ wet
@@ -496,9 +524,7 @@ function invokeActiveZooming() {
   +markers.attr("rescale") &&
     pack.markers?.forEach(marker => {
       const {i, x, y, size = 30, hidden} = marker;
-      if (hidden) return;
-
-      const el = document.getElementById(`marker${i}`);
+      const el = !hidden && document.getElementById(`marker${i}`);
       if (!el) return;
 
       const zoomedSize = Math.max(rn(size / 5 + 24 / scale, 2), 1);
@@ -1485,7 +1511,18 @@ function addZones(number = 1) {
       });
     }
 
-    const invasion = rw({Invasion: 4, Occupation: 3, Raid: 2, Conquest: 2, Subjugation: 1, Foray: 1, Skirmishes: 1, Incursion: 2, Pillaging: 1, Intervention: 1});
+    const invasion = rw({
+      Invasion: 4,
+      Occupation: 3,
+      Raid: 2,
+      Conquest: 2,
+      Subjugation: 1,
+      Foray: 1,
+      Skirmishes: 1,
+      Incursion: 2,
+      Pillaging: 1,
+      Intervention: 1
+    });
     const name = getAdjective(invader.name) + " " + invasion;
     data.push({name, type: "Invasion", cells: cellsArray, fill: "url(#hatch1)"});
   }
diff --git a/modules/markers-generator.js b/modules/markers-generator.js
index b49069c4..ca139294 100644
--- a/modules/markers-generator.js
+++ b/modules/markers-generator.js
@@ -10,6 +10,7 @@ window.Markers = (function () {
     TIME && console.time("addMarkers");
 
     const culturesSet = document.getElementById("culturesSet").value;
+    // TODO: don't put multiple markers to the same cell
 
     addVolcanoes();
     addHotSprings();
@@ -120,7 +121,9 @@ window.Markers = (function () {
     const {cells, burgs} = pack;
 
     const meanFlux = d3.mean(cells.fl.filter(fl => fl));
-    let bridges = Array.from(cells.i.filter(i => cells.burg[i] && cells.t[i] !== 1 && burgs[cells.burg[i]].population > 20 && cells.r[i] && cells.fl[i] > meanFlux));
+    let bridges = Array.from(
+      cells.i.filter(i => cells.burg[i] && cells.t[i] !== 1 && burgs[cells.burg[i]].population > 20 && cells.r[i] && cells.fl[i] > meanFlux)
+    );
     let quantity = getQuantity(bridges, 1, 5);
     if (!quantity) return;
 
@@ -143,13 +146,233 @@ window.Markers = (function () {
     let quantity = getQuantity(taverns, 1, 100);
     if (!quantity) return;
 
-    const colors = ["Dark", "Light", "Bright", "Golden", "White", "Black", "Red", "Pink", "Purple", "Blue", "Green", "Yellow", "Amber", "Orange", "Brown", "Grey"];
-    const animals = ["Antelope", "Ape", "Badger", "Bear", "Beaver", "Bison", "Boar", "Buffalo", "Cat", "Crane", "Crocodile", "Crow", "Deer", "Dog", "Eagle", "Elk", "Fox", "Goat", "Goose", "Hare", "Hawk", "Heron", "Horse", "Hyena", "Ibis", "Jackal", "Jaguar", "Lark", "Leopard", "Lion", "Mantis", "Marten", "Moose", "Mule", "Narwhal", "Owl", "Panther", "Rat", "Raven", "Rook", "Scorpion", "Shark", "Sheep", "Snake", "Spider", "Swan", "Tiger", "Turtle", "Wolf", "Wolverine", "Camel", "Falcon", "Hound", "Ox"];
-    const adjectives = ["New", "Good", "High", "Old", "Great", "Big", "Major", "Happy", "Main", "Huge", "Far", "Beautiful", "Fair", "Prime", "Ancient", "Golden", "Proud", "Lucky", "Fat", "Honest", "Giant", "Distant", "Friendly", "Loud", "Hungry", "Magical", "Superior", "Peaceful", "Frozen", "Divine", "Favorable", "Brave", "Sunny", "Flying"];
-    const methods = ["Boiled", "Grilled", "Roasted", "Spit-roasted", "Stewed", "Stuffed", "Jugged", "Mashed", "Baked", "Braised", "Poached", "Marinated", "Pickled", "Smoked", "Dried", "Dry-aged", "Corned", "Fried", "Pan-fried", "Deep-fried", "Dressed", "Steamed", "Cured", "Syrupped", "Flame-Broiled"];
-    const courses = ["beef", "pork", "bacon", "chicken", "lamb", "chevon", "hare", "rabbit", "hart", "deer", "antlers", "bear", "buffalo", "badger", "beaver", "turkey", "pheasant", "duck", "goose", "teal", "quail", "pigeon", "seal", "carp", "bass", "pike", "catfish", "sturgeon", "escallop", "pie", "cake", "pottage", "pudding", "onions", "carrot", "potato", "beet", "garlic", "cabbage", "eggplant", "eggs", "broccoli", "zucchini", "pepper", "olives", "pumpkin", "spinach", "peas", "chickpea", "beans", "rice", "pasta", "bread", "apples", "peaches", "pears", "melon", "oranges", "mango", "tomatoes", "cheese", "corn", "rat tails", "pig ears"];
+    const colors = [
+      "Dark",
+      "Light",
+      "Bright",
+      "Golden",
+      "White",
+      "Black",
+      "Red",
+      "Pink",
+      "Purple",
+      "Blue",
+      "Green",
+      "Yellow",
+      "Amber",
+      "Orange",
+      "Brown",
+      "Grey"
+    ];
+    const animals = [
+      "Antelope",
+      "Ape",
+      "Badger",
+      "Bear",
+      "Beaver",
+      "Bison",
+      "Boar",
+      "Buffalo",
+      "Cat",
+      "Crane",
+      "Crocodile",
+      "Crow",
+      "Deer",
+      "Dog",
+      "Eagle",
+      "Elk",
+      "Fox",
+      "Goat",
+      "Goose",
+      "Hare",
+      "Hawk",
+      "Heron",
+      "Horse",
+      "Hyena",
+      "Ibis",
+      "Jackal",
+      "Jaguar",
+      "Lark",
+      "Leopard",
+      "Lion",
+      "Mantis",
+      "Marten",
+      "Moose",
+      "Mule",
+      "Narwhal",
+      "Owl",
+      "Panther",
+      "Rat",
+      "Raven",
+      "Rook",
+      "Scorpion",
+      "Shark",
+      "Sheep",
+      "Snake",
+      "Spider",
+      "Swan",
+      "Tiger",
+      "Turtle",
+      "Wolf",
+      "Wolverine",
+      "Camel",
+      "Falcon",
+      "Hound",
+      "Ox"
+    ];
+    const adjectives = [
+      "New",
+      "Good",
+      "High",
+      "Old",
+      "Great",
+      "Big",
+      "Major",
+      "Happy",
+      "Main",
+      "Huge",
+      "Far",
+      "Beautiful",
+      "Fair",
+      "Prime",
+      "Ancient",
+      "Golden",
+      "Proud",
+      "Lucky",
+      "Fat",
+      "Honest",
+      "Giant",
+      "Distant",
+      "Friendly",
+      "Loud",
+      "Hungry",
+      "Magical",
+      "Superior",
+      "Peaceful",
+      "Frozen",
+      "Divine",
+      "Favorable",
+      "Brave",
+      "Sunny",
+      "Flying"
+    ];
+    const methods = [
+      "Boiled",
+      "Grilled",
+      "Roasted",
+      "Spit-roasted",
+      "Stewed",
+      "Stuffed",
+      "Jugged",
+      "Mashed",
+      "Baked",
+      "Braised",
+      "Poached",
+      "Marinated",
+      "Pickled",
+      "Smoked",
+      "Dried",
+      "Dry-aged",
+      "Corned",
+      "Fried",
+      "Pan-fried",
+      "Deep-fried",
+      "Dressed",
+      "Steamed",
+      "Cured",
+      "Syrupped",
+      "Flame-Broiled"
+    ];
+    const courses = [
+      "beef",
+      "pork",
+      "bacon",
+      "chicken",
+      "lamb",
+      "chevon",
+      "hare",
+      "rabbit",
+      "hart",
+      "deer",
+      "antlers",
+      "bear",
+      "buffalo",
+      "badger",
+      "beaver",
+      "turkey",
+      "pheasant",
+      "duck",
+      "goose",
+      "teal",
+      "quail",
+      "pigeon",
+      "seal",
+      "carp",
+      "bass",
+      "pike",
+      "catfish",
+      "sturgeon",
+      "escallop",
+      "pie",
+      "cake",
+      "pottage",
+      "pudding",
+      "onions",
+      "carrot",
+      "potato",
+      "beet",
+      "garlic",
+      "cabbage",
+      "eggplant",
+      "eggs",
+      "broccoli",
+      "zucchini",
+      "pepper",
+      "olives",
+      "pumpkin",
+      "spinach",
+      "peas",
+      "chickpea",
+      "beans",
+      "rice",
+      "pasta",
+      "bread",
+      "apples",
+      "peaches",
+      "pears",
+      "melon",
+      "oranges",
+      "mango",
+      "tomatoes",
+      "cheese",
+      "corn",
+      "rat tails",
+      "pig ears"
+    ];
     const types = ["hot", "cold", "fire", "ice", "smoky", "misty", "shiny", "sweet", "bitter", "salty", "sour", "sparkling", "smelly"];
-    const drinks = ["wine", "brandy", "jinn", "whisky", "rom", "beer", "cider", "mead", "liquor", "spirit", "vodka", "tequila", "absinthe", "nectar", "milk", "kvass", "kumis", "tea", "water", "juice", "sap"];
+    const drinks = [
+      "wine",
+      "brandy",
+      "jinn",
+      "whisky",
+      "rom",
+      "beer",
+      "cider",
+      "mead",
+      "liquor",
+      "spirit",
+      "vodka",
+      "tequila",
+      "absinthe",
+      "nectar",
+      "milk",
+      "kvass",
+      "kumis",
+      "tea",
+      "water",
+      "juice",
+      "sap"
+    ];
 
     while (quantity) {
       const [cell] = extractAnyElement(taverns);
@@ -282,7 +505,14 @@ window.Markers = (function () {
 
     const subjects = ["Locals", "Old folks", "Old books", "Tipplers"];
     const species = ["Ogre", "Troll", "Cyclops", "Giant", "Monster", "Beast", "Dragon", "Undead", "Ghoul", "Vampire"];
-    const modusOperandi = ["steals their cattle", "doesn't mind eating children", "doesn't mind of human flesh", "keeps the region at bay", "eats their kids", "abducts young women"];
+    const modusOperandi = [
+      "steals their cattle",
+      "doesn't mind eating children",
+      "doesn't mind of human flesh",
+      "keeps the region at bay",
+      "eats their kids",
+      "abducts young women"
+    ];
 
     while (quantity) {
       const [cell] = extractAnyElement(hills);
@@ -376,7 +606,38 @@ window.Markers = (function () {
     let quantity = getQuantity(roads, 50, 100);
     if (!quantity) return;
 
-    const animals = ["Apes", "Badgers", "Bears", "Beavers", "Bisons", "Boars", "Cats", "Crows", "Dogs", "Foxes", "Hares", "Hawks", "Hyenas", "Jackals", "Jaguars", "Leopards", "Lions", "Owls", "Panthers", "Rats", "Ravens", "Rooks", "Scorpions", "Sharks", "Snakes", "Spiders", "Tigers", "Wolfs", "Wolverines", "Falcons"];
+    const animals = [
+      "Apes",
+      "Badgers",
+      "Bears",
+      "Beavers",
+      "Bisons",
+      "Boars",
+      "Cats",
+      "Crows",
+      "Dogs",
+      "Foxes",
+      "Hares",
+      "Hawks",
+      "Hyenas",
+      "Jackals",
+      "Jaguars",
+      "Leopards",
+      "Lions",
+      "Owls",
+      "Panthers",
+      "Rats",
+      "Ravens",
+      "Rooks",
+      "Scorpions",
+      "Sharks",
+      "Snakes",
+      "Spiders",
+      "Tigers",
+      "Wolfs",
+      "Wolverines",
+      "Falcons"
+    ];
     const types = {brigands: 4, bandits: 3, robbers: 1, highwaymen: 1};
 
     while (quantity) {
@@ -385,7 +646,18 @@ window.Markers = (function () {
       const culture = cells.culture[cell];
       const biome = cells.biome[cell];
       const height = cells.p[cell];
-      const locality = height >= 70 ? "highlander" : [1, 2].includes(biome) ? "desert" : [3, 4].includes(biome) ? "mounted" : [5, 6, 7, 8, 9].includes(biome) ? "forest" : biome === 12 ? "swamp" : "angry";
+      const locality =
+        height >= 70
+          ? "highlander"
+          : [1, 2].includes(biome)
+          ? "desert"
+          : [3, 4].includes(biome)
+          ? "mounted"
+          : [5, 6, 7, 8, 9].includes(biome)
+          ? "forest"
+          : biome === 12
+          ? "swamp"
+          : "angry";
       const name = `${Names.getCulture(culture)} ${ra(animals)}`;
       const legend = `A gang of ${locality} ${rw(types)}`;
       notes.push({id, name, legend});
diff --git a/modules/ui/editors.js b/modules/ui/editors.js
index 55a88e92..774ecc3d 100644
--- a/modules/ui/editors.js
+++ b/modules/ui/editors.js
@@ -29,7 +29,7 @@ function clicked() {
   else if (grand.id === "burgIcons") editBurg();
   else if (parent.id === "ice") editIce();
   else if (parent.id === "terrain") editReliefIcon();
-  else if (grand.id === "markers") editMarker();
+  else if (grand.id === "markers" || great.id === "markers") editMarker();
   else if (grand.id === "coastline") editCoastline();
   else if (great.id === "armies") editRegiment();
   else if (pack.cells.t[i] === 1) {
@@ -332,7 +332,15 @@ function drawLegend(name, data) {
   const width = bbox.width + colOffset * 2;
   const height = bbox.height + colOffset / 2 + vOffset;
 
-  legend.insert("rect", ":first-child").attr("id", "legendBox").attr("x", 0).attr("y", 0).attr("width", width).attr("height", height).attr("fill", backClr).attr("fill-opacity", opacity);
+  legend
+    .insert("rect", ":first-child")
+    .attr("id", "legendBox")
+    .attr("x", 0)
+    .attr("y", 0)
+    .attr("width", width)
+    .attr("height", height)
+    .attr("fill", backClr)
+    .attr("fill-opacity", opacity);
 
   fitLegendBox();
 }
@@ -385,7 +393,15 @@ function createPicker() {
   const closePicker = () => contaiter.style("display", "none");
 
   const contaiter = d3.select("body").append("svg").attr("id", "pickerContainer").attr("width", "100%").attr("height", "100%");
-  contaiter.append("rect").attr("x", 0).attr("y", 0).attr("width", "100%").attr("height", "100%").attr("opacity", 0.2).on("mousemove", cl).on("click", closePicker);
+  contaiter
+    .append("rect")
+    .attr("x", 0)
+    .attr("y", 0)
+    .attr("width", "100%")
+    .attr("height", "100%")
+    .attr("opacity", 0.2)
+    .on("mousemove", cl)
+    .on("click", closePicker);
   const picker = contaiter
     .append("g")
     .attr("id", "picker")
@@ -484,9 +500,25 @@ function createPicker() {
   const width = bbox.width + 8;
   const height = bbox.height + 9;
 
-  picker.insert("rect", ":first-child").attr("x", 0).attr("y", 0).attr("width", width).attr("height", height).attr("fill", "#ffffff").attr("stroke", "#5d4651").on("mousemove", pos);
+  picker
+    .insert("rect", ":first-child")
+    .attr("x", 0)
+    .attr("y", 0)
+    .attr("width", width)
+    .attr("height", height)
+    .attr("fill", "#ffffff")
+    .attr("stroke", "#5d4651")
+    .on("mousemove", pos);
   picker.insert("text", ":first-child").attr("x", 291).attr("y", -10).attr("id", "pickerCloseText").text("✕");
-  picker.insert("rect", ":first-child").attr("x", 288).attr("y", -21).attr("id", "pickerCloseRect").attr("width", 14).attr("height", 14).on("mousemove", cl).on("click", closePicker);
+  picker
+    .insert("rect", ":first-child")
+    .attr("x", 288)
+    .attr("y", -21)
+    .attr("id", "pickerCloseRect")
+    .attr("width", 14)
+    .attr("height", 14)
+    .on("mousemove", cl)
+    .on("click", closePicker);
   picker.insert("text", ":first-child").attr("x", 12).attr("y", -10).attr("id", "pickerLabel").text("Color Picker").on("mousemove", pos);
   picker.insert("rect", ":first-child").attr("x", 0).attr("y", -30).attr("width", width).attr("height", 30).attr("id", "pickerHeader").on("mousemove", pos);
   picker.attr("transform", `translate(${(svgWidth - width) / 2},${(svgHeight - height) / 2})`);
@@ -705,7 +737,14 @@ function highlightElement(element) {
 
   const highlight = debug.append("rect").attr("x", box.x).attr("y", box.y).attr("width", box.width).attr("height", box.height).attr("transform", transform);
 
-  highlight.classed("highlighted", 1).transition(enter).style("outline-offset", "0px").transition(exit).style("outline-color", "transparent").delay(1000).remove();
+  highlight
+    .classed("highlighted", 1)
+    .transition(enter)
+    .style("outline-offset", "0px")
+    .transition(exit)
+    .style("outline-color", "transparent")
+    .delay(1000)
+    .remove();
 
   const tr = parseTransform(transform);
   let x = box.x + box.width / 2;
@@ -922,6 +961,7 @@ function selectIcon(initial, callback) {
     }
   }
 
+  input.oninput = e => callback(input.value);
   table.onclick = e => {
     if (e.target.tagName === "TD") {
       input.value = e.target.innerHTML;
@@ -948,6 +988,31 @@ function selectIcon(initial, callback) {
   });
 }
 
+function confirmationDialog(options) {
+  const {
+    title = "Confirm action",
+    message = "Are you sure you want to continue? <br>The action cannot be reverted",
+    cancel = "Cancel",
+    confirm = "Continue",
+    onCancel,
+    onConfirm
+  } = options;
+
+  const buttons = {
+    [confirm]: function () {
+      if (onConfirm) onConfirm();
+      $(this).dialog("close");
+    },
+    [cancel]: function () {
+      if (onCancel) onCancel();
+      $(this).dialog("close");
+    }
+  };
+
+  document.getElementById("alertMessage").innerHTML = message;
+  $("#alert").dialog({resizable: false, title, buttons});
+}
+
 // add and register event listeners to clean up on editor closure
 function listen(element, event, handler) {
   element.addEventListener(event, handler);
diff --git a/modules/ui/layers.js b/modules/ui/layers.js
index 76cf9d79..ffa021fa 100644
--- a/modules/ui/layers.js
+++ b/modules/ui/layers.js
@@ -196,7 +196,8 @@ function drawHeightmap() {
   for (const i of d3.range(20, 101)) {
     if (paths[i].length < 10) continue;
     const color = getColor(i, scheme);
-    if (terracing) terrs.append("path").attr("d", paths[i]).attr("transform", "translate(.7,1.4)").attr("fill", d3.color(color).darker(terracing)).attr("data-height", i);
+    if (terracing)
+      terrs.append("path").attr("d", paths[i]).attr("transform", "translate(.7,1.4)").attr("fill", d3.color(color).darker(terracing)).attr("data-height", i);
     terrs.append("path").attr("d", paths[i]).attr("fill", color).attr("data-height", i);
   }
 
@@ -798,7 +799,10 @@ function drawReligions() {
     if (!vArray[r]) vArray[r] = [];
     vArray[r].push(points);
     body[r] += "M" + points.join("L");
-    gap[r] += "M" + vertices.p[chain[0][0]] + chain.reduce((r2, v, i, d) => (!i ? r2 : !v[2] ? r2 + "L" + vertices.p[v[0]] : d[i + 1] && !d[i + 1][2] ? r2 + "M" + vertices.p[v[0]] : r2), "");
+    gap[r] +=
+      "M" +
+      vertices.p[chain[0][0]] +
+      chain.reduce((r2, v, i, d) => (!i ? r2 : !v[2] ? r2 + "L" + vertices.p[v[0]] : d[i + 1] && !d[i + 1][2] ? r2 + "M" + vertices.p[v[0]] : r2), "");
   }
 
   const bodyData = body.map((p, i) => [p.length > 10 ? p : null, i, religions[i].color]).filter(d => d[0]);
@@ -966,7 +970,12 @@ function drawStates() {
   const gapString = gapData.map(d => `<path id="state-gap${d[1]}" d="${d[0]}" fill="none" stroke="${d[2]}"/>`).join("");
   const clipString = bodyData.map(d => `<clipPath id="state-clip${d[1]}"><use href="#state${d[1]}"/></clipPath>`).join("");
   const haloString = haloData
-    .map(d => `<path id="state-border${d[1]}" d="${d[0]}" clip-path="url(#state-clip${d[1]})" stroke="${d3.color(d[2]) ? d3.color(d[2]).darker().hex() : "#666666"}"/>`)
+    .map(
+      d =>
+        `<path id="state-border${d[1]}" d="${d[0]}" clip-path="url(#state-clip${d[1]})" stroke="${
+          d3.color(d[2]) ? d3.color(d[2]).darker().hex() : "#666666"
+        }"/>`
+    )
     .join("");
 
   statesBody.html(bodyString + gapString);
@@ -1219,7 +1228,10 @@ function getProvincesVertices() {
     if (!vArray[p]) vArray[p] = [];
     vArray[p].push(points);
     body[p] += "M" + points.join("L");
-    gap[p] += "M" + vertices.p[chain[0][0]] + chain.reduce((r, v, i, d) => (!i ? r : !v[2] ? r + "L" + vertices.p[v[0]] : d[i + 1] && !d[i + 1][2] ? r + "M" + vertices.p[v[0]] : r), "");
+    gap[p] +=
+      "M" +
+      vertices.p[chain[0][0]] +
+      chain.reduce((r, v, i, d) => (!i ? r : !v[2] ? r + "L" + vertices.p[v[0]] : d[i + 1] && !d[i + 1][2] ? r + "M" + vertices.p[v[0]] : r), "");
   }
 
   // find province visual center
@@ -1300,7 +1312,12 @@ function drawGrid() {
   const maxWidth = Math.max(+mapWidthInput.value, graphWidth);
   const maxHeight = Math.max(+mapHeightInput.value, graphHeight);
 
-  d3.select(pattern).attr("stroke", stroke).attr("stroke-width", width).attr("stroke-dasharray", dasharray).attr("stroke-linecap", linecap).attr("patternTransform", tr);
+  d3.select(pattern)
+    .attr("stroke", stroke)
+    .attr("stroke-width", width)
+    .attr("stroke-dasharray", dasharray)
+    .attr("stroke-linecap", linecap)
+    .attr("patternTransform", tr);
   gridOverlay
     .append("rect")
     .attr("width", maxWidth)
@@ -1510,23 +1527,23 @@ function toggleMarkers(event) {
     drawMarkers();
     if (event && isCtrlClick(event)) editStyle("markers");
   } else {
-    if (event && isCtrlClick(event)) {
-      editStyle("markers");
-      return;
-    }
+    if (event && isCtrlClick(event)) return editStyle("markers");
     markers.selectAll("*").remove();
     turnButtonOff("toggleMarkers");
   }
 }
 
 function drawMarkers() {
-  const html = pack.markers.map(drawMarker);
+  const rescale = +markers.attr("rescale");
+  const html = pack.markers.map(marker => drawMarker(marker, rescale));
   markers.html(html.join(""));
 }
 
 const getPin = (shape = "bubble", fill = "#fff", stroke = "#000") => {
-  if (shape === "bubble") return `<path d="M6,19 l9,10 L24,19" fill="${stroke}" stroke="none" /><circle cx="15" cy="15" r="10" fill="${fill}" stroke="${stroke}"/>`;
-  if (shape === "pin") return `<path d="m 15,3 c -5.5,0 -9.7,4.09 -9.7,9.3 0,6.8 9.7,17 9.7,17 0,0 9.7,-10.2 9.7,-17 C 24.7,7.09 20.5,3 15,3 Z" fill="${fill}" stroke="${stroke}"/>`;
+  if (shape === "bubble")
+    return `<path d="M6,19 l9,10 L24,19" fill="${stroke}" stroke="none" /><circle cx="15" cy="15" r="10" fill="${fill}" stroke="${stroke}"/>`;
+  if (shape === "pin")
+    return `<path d="m 15,3 c -5.5,0 -9.7,4.09 -9.7,9.3 0,6.8 9.7,17 9.7,17 0,0 9.7,-10.2 9.7,-17 C 24.7,7.09 20.5,3 15,3 Z" fill="${fill}" stroke="${stroke}"/>`;
   if (shape === "square") return `<path d="m 20,25 -5,4 -5,-4 z" fill="${stroke}"/><path d="M 5,5 H 25 V 25 H 5 Z" fill="${fill}" stroke="${stroke}"/>`;
   if (shape === "squarish") return `<path d="m 5,5 h 20 v 20 h -6 l -4,4 -4,-4 H 5 Z" fill="${fill}" stroke="${stroke}" />`;
   if (shape === "diamond") return `<path d="M 2,15 15,1 28,15 15,29 Z" fill="${fill}" stroke="${stroke}" />`;
@@ -1540,14 +1557,14 @@ const getPin = (shape = "bubble", fill = "#fff", stroke = "#000") => {
   if (shape === "no") return "";
 };
 
-function drawMarker(marker) {
+function drawMarker(marker, rescale = 1) {
   const {i, icon, x, y, dx = 50, dy = 50, px = 12, size = 30} = marker;
   const id = `marker${i}`;
-  const zoomSize = Math.max(rn(size / 5 + 24 / scale, 2), 1);
+  const zoomSize = rescale ? Math.max(rn(size / 5 + 24 / scale, 2), 1) : 1;
   const viewX = rn(x - zoomSize / 2, 1);
   const viewY = rn(y - zoomSize, 1);
 
-  return `<svg id="${id}" viewbox="0 0 30 30" width="${zoomSize}" height="${zoomSize}" x="${viewX}" y="${viewY}">${getPin()}<text x="${dx}%" y="${dy}%" font-size="${px}px" >${icon}</text></svg>`;
+  return `<svg id="${id}" viewbox="0 0 30 30" width="${zoomSize}" height="${zoomSize}" x="${viewX}" y="${viewY}"><g>${getPin()}</g><text x="${dx}%" y="${dy}%" font-size="${px}px" >${icon}</text></svg>`;
 }
 
 function toggleLabels(event) {
@@ -1717,15 +1734,21 @@ function drawEmblems() {
     }
 
     const burgNodes = nodes.filter(node => node.type === "burg");
-    const burgString = burgNodes.map(d => `<use data-i="${d.i}" x="${rn(d.x - d.shift)}" y="${rn(d.y - d.shift)}" width="${d.size}em" height="${d.size}em"/>`).join("");
+    const burgString = burgNodes
+      .map(d => `<use data-i="${d.i}" x="${rn(d.x - d.shift)}" y="${rn(d.y - d.shift)}" width="${d.size}em" height="${d.size}em"/>`)
+      .join("");
     emblems.select("#burgEmblems").attr("font-size", sizeBurgs).html(burgString);
 
     const provinceNodes = nodes.filter(node => node.type === "province");
-    const provinceString = provinceNodes.map(d => `<use data-i="${d.i}" x="${rn(d.x - d.shift)}" y="${rn(d.y - d.shift)}" width="${d.size}em" height="${d.size}em"/>`).join("");
+    const provinceString = provinceNodes
+      .map(d => `<use data-i="${d.i}" x="${rn(d.x - d.shift)}" y="${rn(d.y - d.shift)}" width="${d.size}em" height="${d.size}em"/>`)
+      .join("");
     emblems.select("#provinceEmblems").attr("font-size", sizeProvinces).html(provinceString);
 
     const stateNodes = nodes.filter(node => node.type === "state");
-    const stateString = stateNodes.map(d => `<use data-i="${d.i}" x="${rn(d.x - d.shift)}" y="${rn(d.y - d.shift)}" width="${d.size}em" height="${d.size}em"/>`).join("");
+    const stateString = stateNodes
+      .map(d => `<use data-i="${d.i}" x="${rn(d.x - d.shift)}" y="${rn(d.y - d.shift)}" width="${d.size}em" height="${d.size}em"/>`)
+      .join("");
     emblems.select("#stateEmblems").attr("font-size", sizeStates).html(stateString);
 
     invokeActiveZooming();
diff --git a/modules/ui/markers-editor.js b/modules/ui/markers-editor.js
index 07bdef31..2e6f3f93 100644
--- a/modules/ui/markers-editor.js
+++ b/modules/ui/markers-editor.js
@@ -3,23 +3,28 @@ function editMarker() {
   if (customization) return;
   closeDialogs(".stable");
 
-  const element = d3.event.target.parentElement;
-  elSelected = d3.select(element).call(d3.drag().on("start", dragMarker)).classed("draggable", true);
-  const marker = pack.markers.find(({i}) => Number(elSelected.attr("id").slice(6)) === i);
+  const element = d3.event.target.closest("svg");
+  const marker = pack.markers.find(({i}) => Number(element.id.slice(6)) === i);
   if (!marker) return;
 
+  elSelected = d3.select(element).raise().call(d3.drag().on("start", dragMarker)).classed("draggable", true);
+
   // dom elements
-  const markerSelectGroup = document.getElementById("markerSelectGroup");
+  const markerType = document.getElementById("markerType");
+  const markerIcon = document.getElementById("markerIcon");
+  const markerIconSelect = document.getElementById("markerIconSelect");
   const markerIconSize = document.getElementById("markerIconSize");
   const markerIconShiftX = document.getElementById("markerIconShiftX");
   const markerIconShiftY = document.getElementById("markerIconShiftY");
-
   const markerSize = document.getElementById("markerSize");
-  const markerBaseStroke = document.getElementById("markerBaseStroke");
-  const markerBaseFill = document.getElementById("markerBaseFill");
+  const markerPin = document.getElementById("markerPin");
+  const markerFill = document.getElementById("markerFill");
+  const markerStroke = document.getElementById("markerStroke");
 
-  const markerToggleBubble = document.getElementById("markerToggleBubble");
-  const markerIconSelect = document.getElementById("markerIconSelect");
+  const markerNotes = document.getElementById("markerNotes");
+  const addMarker = document.getElementById("addMarker");
+  const markerAdd = document.getElementById("markerAdd");
+  const markerRemove = document.getElementById("markerRemove");
 
   updateInputs();
 
@@ -31,22 +36,27 @@ function editMarker() {
   });
 
   const listeners = [
-    listen(markerSelectGroup, "change", changeGroup),
-    listen(document.getElementById("markerIcon"), "click", toggleIconSection),
+    listen(markerType, "change", changeMarkerType),
+    listen(markerIcon, "input", changeMarkerIcon),
+    listen(markerIconSelect, "click", selectMarkerIcon),
     listen(markerIconSize, "input", changeIconSize),
     listen(markerIconShiftX, "input", changeIconShiftX),
     listen(markerIconShiftY, "input", changeIconShiftY),
-    listen(document.getElementById("markerIconSelect"), "click", selectMarkerIcon),
-    listen(document.getElementById("markerStyle"), "click", toggleStyleSection),
     listen(markerSize, "input", changeMarkerSize),
-    listen(markerBaseStroke, "input", changePinStroke),
-    listen(markerBaseFill, "input", changePinFill),
-    listen(markerToggleBubble, "click", togglePinVisibility),
-    listen(document.getElementById("markerLegendButton"), "click", editMarkerLegend),
-    listen(document.getElementById("markerAdd"), "click", toggleAddMarker),
-    listen(document.getElementById("markerRemove"), "click", removeMarker)
+    listen(markerPin, "change", changeMarkerPin),
+    listen(markerFill, "input", changePinFill),
+    listen(markerStroke, "input", changePinStroke),
+    listen(markerNotes, "click", editMarkerLegend),
+    listen(markerAdd, "click", toggleAddMarker),
+    listen(markerRemove, "click", confirmMarkerDeletion)
   ];
 
+  function getSameTypeMarkers() {
+    const currentType = marker.type;
+    if (!currentType) return [marker];
+    return pack.markers.filter(({type}) => type === currentType);
+  }
+
   function dragMarker() {
     const dx = +this.getAttribute("x") - d3.event.x;
     const dy = +this.getAttribute("y") - d3.event.y;
@@ -70,173 +80,147 @@ function editMarker() {
   }
 
   function updateInputs() {
-    const {icon, type = "", size = 30, dx = 50, dy = 50, px = 12, stroke = "#000", fill = "#fff", pin = "bubble"} = marker;
+    const {icon, type = "", size = 30, dx = 50, dy = 50, px = 12, stroke = "#000000", fill = "#ffffff", pin = "bubble"} = marker;
 
-    markerSelectGroup.value = type;
+    markerType.value = type;
+    markerIcon.value = icon;
     markerIconSize.value = px;
     markerIconShiftX.value = dx;
     markerIconShiftY.value = dy;
-
     markerSize.value = size;
-    markerBaseStroke.value = stroke;
-    markerBaseFill.value = fill;
-
-    markerToggleBubble.className = pin;
-    markerIconSelect.innerHTML = icon;
+    markerPin.value = pin;
+    markerFill.value = fill;
+    markerStroke.value = stroke;
   }
 
-  function toggleGroupSection() {
-    if (markerGroupSection.style.display === "inline-block") {
-      markerEditor.querySelectorAll("button:not(#markerGroup)").forEach(b => (b.style.display = "inline-block"));
-      markerGroupSection.style.display = "none";
-    } else {
-      markerEditor.querySelectorAll("button:not(#markerGroup)").forEach(b => (b.style.display = "none"));
-      markerGroupSection.style.display = "inline-block";
-    }
+  function changeMarkerType() {
+    marker.type = this.value;
   }
 
-  function changeGroup() {
-    elSelected.attr("xlink:href", "#" + this.value);
-    elSelected.attr("data-id", "#" + this.value);
-  }
-
-  function toggleIconSection() {
-    console.log(marker);
-    if (markerIconSection.style.display === "inline-block") {
-      markerEditor.querySelectorAll("button:not(#markerIcon)").forEach(b => (b.style.display = "inline-block"));
-      markerIconSection.style.display = "none";
-      markerIconSelect.style.display = "none";
-    } else {
-      markerEditor.querySelectorAll("button:not(#markerIcon)").forEach(b => (b.style.display = "none"));
-      markerIconSection.style.display = "inline-block";
-      markerIconSelect.style.display = "inline-block";
-    }
+  function changeMarkerIcon() {
+    const icon = this.value;
+    getSameTypeMarkers().forEach(marker => {
+      marker.icon = icon;
+      redrawIcon(marker);
+    });
   }
 
   function selectMarkerIcon() {
-    selectIcon(this.innerHTML, v => {
-      this.innerHTML = v;
-      const id = elSelected.attr("data-id");
-      d3.select("#defs-markers").select(id).select("text").text(v);
+    selectIcon(marker.icon, icon => {
+      markerIcon.value = icon;
+      getSameTypeMarkers().forEach(marker => {
+        marker.icon = icon;
+        redrawIcon(marker);
+      });
     });
   }
 
   function changeIconSize() {
-    const id = elSelected.attr("data-id");
-    d3.select("#defs-markers")
-      .select(id)
-      .select("text")
-      .attr("font-size", this.value + "px");
+    const px = +this.value;
+    getSameTypeMarkers().forEach(marker => {
+      marker.px = px;
+      redrawIcon(marker);
+    });
   }
 
   function changeIconShiftX() {
-    const id = elSelected.attr("data-id");
-    d3.select("#defs-markers")
-      .select(id)
-      .select("text")
-      .attr("x", this.value + "%");
+    const dx = +this.value;
+    getSameTypeMarkers().forEach(marker => {
+      marker.dx = dx;
+      redrawIcon(marker);
+    });
   }
 
   function changeIconShiftY() {
-    const id = elSelected.attr("data-id");
-    d3.select("#defs-markers")
-      .select(id)
-      .select("text")
-      .attr("y", this.value + "%");
-  }
-
-  function toggleStyleSection() {
-    if (markerStyleSection.style.display === "inline-block") {
-      markerEditor.querySelectorAll("button:not(#markerStyle)").forEach(b => (b.style.display = "inline-block"));
-      markerStyleSection.style.display = "none";
-    } else {
-      markerEditor.querySelectorAll("button:not(#markerStyle)").forEach(b => (b.style.display = "none"));
-      markerStyleSection.style.display = "inline-block";
-    }
+    const dy = +this.value;
+    getSameTypeMarkers().forEach(marker => {
+      marker.dy = dy;
+      redrawIcon(marker);
+    });
   }
 
   function changeMarkerSize() {
-    const id = elSelected.attr("data-id");
-    document.querySelectorAll("use[data-id='" + id + "']").forEach(e => {
-      const x = +e.dataset.x,
-        y = +e.dataset.y;
-      const desired = (e.dataset.size = +markerSize.value);
-      const size = Math.max(desired * 5 + 25 / scale, 1);
+    const size = +this.value;
+    const rescale = +markers.attr("rescale");
 
-      e.setAttribute("x", x - size / 2);
-      e.setAttribute("y", y - size / 2);
-      e.setAttribute("width", size);
-      e.setAttribute("height", size);
+    getSameTypeMarkers().forEach(marker => {
+      marker.size = size;
+      const {i, x, y, hidden} = marker;
+      const el = !hidden && document.getElementById(`marker${i}`);
+      if (!el) return;
+
+      const zoomedSize = rescale ? Math.max(rn(size / 5 + 24 / scale, 2), 1) : size;
+      el.setAttribute("width", zoomedSize);
+      el.setAttribute("height", zoomedSize);
+      el.setAttribute("x", rn(x - zoomedSize / 2, 1));
+      el.setAttribute("y", rn(y - zoomedSize, 1));
     });
-    invokeActiveZooming();
   }
 
-  function changePinStroke() {
-    const id = elSelected.attr("data-id");
-    d3.select(id).select("path").attr("fill", this.value);
-    d3.select(id).select("circle").attr("stroke", this.value);
+  function changeMarkerPin() {
+    const pin = this.value;
+    getSameTypeMarkers().forEach(marker => {
+      marker.pin = pin;
+      redrawPin(marker);
+    });
   }
 
   function changePinFill() {
-    const id = elSelected.attr("data-id");
-    d3.select(id).select("circle").attr("fill", this.value);
+    const fill = this.value;
+    getSameTypeMarkers().forEach(marker => {
+      marker.fill = fill;
+      redrawPin(marker);
+    });
   }
 
-  function changeIconStrokeWidth() {
-    const id = elSelected.attr("data-id");
-    d3.select("#defs-markers").select(id).select("text").attr("stroke-width", this.value);
+  function changePinStroke() {
+    const stroke = this.value;
+    getSameTypeMarkers().forEach(marker => {
+      marker.stroke = stroke;
+      redrawPin(marker);
+    });
   }
 
-  function changeIconStroke() {
-    const id = elSelected.attr("data-id");
-    d3.select("#defs-markers").select(id).select("text").attr("stroke", this.value);
+  function redrawIcon({i, hidden, icon, dx = 50, dy = 50, px = 12}) {
+    const iconElement = !hidden && document.querySelector(`#marker${i} > text`);
+    if (iconElement) {
+      iconElement.innerHTML = icon;
+      iconElement.setAttribute("x", dx + "%");
+      iconElement.setAttribute("y", dy + "%");
+      iconElement.setAttribute("font-size", px + "px");
+    }
   }
 
-  function changeIconFill() {
-    const id = elSelected.attr("data-id");
-    d3.select("#defs-markers").select(id).select("text").attr("fill", this.value);
-  }
-
-  function togglePinVisibility() {
-    const id = elSelected.attr("data-id");
-    let show = 1;
-    if (this.className === "icon-info-circled") {
-      this.className = "icon-info";
-      show = 0;
-    } else this.className = "icon-info-circled";
-    d3.select(id).select("circle").attr("opacity", show);
-    d3.select(id).select("path").attr("opacity", show);
+  function redrawPin({i, hidden, pin = "bubble", fill = "#fff", stroke = "#000"}) {
+    const pinGroup = !hidden && document.querySelector(`#marker${i} > g`);
+    if (pinGroup) pinGroup.innerHTML = getPin(pin, fill, stroke);
   }
 
   function editMarkerLegend() {
-    const id = elSelected.attr("id");
+    const id = element.id;
     editNotes(id, id);
   }
 
   function toggleAddMarker() {
-    document.getElementById("addMarker").click();
+    addMarker.click();
   }
 
-  function removeMarker() {
-    alertMessage.innerHTML = "Are you sure you want to remove the marker?";
-    $("#alert").dialog({
-      resizable: false,
+  function confirmMarkerDeletion() {
+    confirmationDialog({
       title: "Remove marker",
-      buttons: {
-        Remove: function () {
-          $(this).dialog("close");
-          const index = notes.findIndex(n => n.id === elSelected.attr("id"));
-          if (index != -1) notes.splice(index, 1);
-          elSelected.remove();
-          $("#markerEditor").dialog("close");
-        },
-        Cancel: function () {
-          $(this).dialog("close");
-        }
-      }
+      message: "Are you sure you want to remove this marker? The action cannot be reverted",
+      confirm: "Remove",
+      onConfirm: deleteMarker
     });
   }
 
+  function deleteMarker() {
+    notes = notes.filter(note => note.id !== element.id);
+    pack.markers = pack.markers.filter(m => m.i !== marker.i);
+    element.remove();
+    $("#markerEditor").dialog("close");
+  }
+
   function closeMarkerEditor() {
     listeners.forEach(removeListener => removeListener());
 
diff --git a/modules/ui/tools.js b/modules/ui/tools.js
index d86f961a..cdd17ad5 100644
--- a/modules/ui/tools.js
+++ b/modules/ui/tools.js
@@ -49,7 +49,9 @@ toolsContent.addEventListener("click", function (event) {
       },
       open: function () {
         const pane = $(this).dialog("widget").find(".ui-dialog-buttonpane");
-        $('<span><input id="dontAsk" class="checkbox" type="checkbox"><label for="dontAsk" class="checkbox-label dontAsk"><i>do not ask again</i></label><span>').prependTo(pane);
+        $(
+          '<span><input id="dontAsk" class="checkbox" type="checkbox"><label for="dontAsk" class="checkbox-label dontAsk"><i>do not ask again</i></label><span>'
+        ).prependTo(pane);
       },
       close: function () {
         const box = $(this).dialog("widget").find(".checkbox")[0];
@@ -262,7 +264,8 @@ function regenerateBurgs() {
 
   const score = new Int16Array(cells.s.map(s => s * Math.random())); // cell score for capitals placement
   const sorted = cells.i.filter(i => score[i] > 0 && cells.culture[i]).sort((a, b) => score[b] - score[a]); // filtered and sorted array of indexes
-  const burgsCount = manorsInput.value == 1000 ? rn(sorted.length / 5 / (grid.points.length / 10000) ** 0.8) + states.length : +manorsInput.value + states.length;
+  const burgsCount =
+    manorsInput.value == 1000 ? rn(sorted.length / 5 / (grid.points.length / 10000) ** 0.8) + states.length : +manorsInput.value + states.length;
   const spacing = (graphWidth + graphHeight) / 150 / (burgsCount ** 0.7 / 66); // base min distance between towns
 
   //clear locked list since ids will change
@@ -414,6 +417,7 @@ function regenerateIce() {
 }
 
 function regenerateMarkers(event) {
+  // TODO: rework for new markers system
   if (isCtrlClick(event)) prompt("Please provide markers number multiplier", {default: 1, step: 0.01, min: 0, max: 100}, v => addNumberOfMarkers(v));
   else addNumberOfMarkers(gauss(1, 0.5, 0.3, 5, 2));
 
@@ -475,7 +479,18 @@ function addLabelOnClick() {
   const id = getNextId("label");
 
   let group = labels.select("#addedLabels");
-  if (!group.size()) group = labels.append("g").attr("id", "addedLabels").attr("fill", "#3e3e4b").attr("opacity", 1).attr("stroke", "#3a3a3a").attr("stroke-width", 0).attr("font-family", "Almendra SC").attr("font-size", 18).attr("data-size", 18).attr("filter", null);
+  if (!group.size())
+    group = labels
+      .append("g")
+      .attr("id", "addedLabels")
+      .attr("fill", "#3e3e4b")
+      .attr("opacity", 1)
+      .attr("stroke", "#3a3a3a")
+      .attr("stroke-width", 0)
+      .attr("font-family", "Almendra SC")
+      .attr("font-size", 18)
+      .attr("data-size", 18)
+      .attr("filter", null);
 
   const example = group.append("text").attr("x", 0).attr("x", 0).text(name);
   const width = example.node().getBBox().width;