diff --git a/index.html b/index.html
index 12565de5..43a3f11e 100644
--- a/index.html
+++ b/index.html
@@ -2018,7 +2018,7 @@
           </div>
         </div>
 
-        <div data-tip="Burg preview in the Medieval Fantasy City Generator. Default seed is a conbimation of map seed and burg id" style="display: flex; flex-direction: column">
+        <div id="mfcgPreviewSection" data-tip="Burg preview in the Medieval Fantasy City Generator. Default seed is a conbimation of map seed and burg id" style="display: flex; flex-direction: column">
           <div>
             See in <a id="mfcgLink" target="_blank">City Generator by Watabou</a>. 
             Seed: <input id="mfcgBurgSeed" style="width: 10em" type="number" min=1 max="1e13" step="1" />
@@ -2047,6 +2047,7 @@
         </div>
 
         <button id="burgEditEmblem" data-tip="Edit emblem" class="icon-shield-alt"></button>
+        <button id="burgToggleMFCGMap" data-tip="Toggle MFCG map" class="icon-map"></button>
         <button id="burgRelocate" data-tip="Relocate burg" class="icon-target"></button>
         <button id="burglLegend" data-tip="Edit free text notes (legend) for this burg" class="icon-edit"></button>
         <button id="burgLock" class="icon-lock-open" onmouseover="showElementLockTip(event)"></button>
@@ -3072,7 +3073,7 @@
 
         <div data-tip="Set size of particular Emblem. To hide set to 0. To change the entire category go to Menu ⭢ Style ⭢ Emblems">
           <div class="label" style="width: 2.8em">Size:</div>
-          <input id="emblemSizeSlider" type="range" min=0 max=5 step=.1 style="width: 8em"/>
+          <input id="emblemSizeSlider" type="range" min=0 max=5 step=.1 style="width: 7em"/>
           <input id="emblemSizeNumber" type="number" min=0 max=5 step=.1 />
         </div>
       </div>
diff --git a/main.js b/main.js
index dd84298f..faac4544 100644
--- a/main.js
+++ b/main.js
@@ -147,10 +147,12 @@ function zoomed() {
 const zoom = d3.zoom().scaleExtent([1, 20]).on("zoom", zoomed);
 
 // default options
-let options = {pinNotes: false}; // options object
+let options = {
+  pinNotes: false,
+  showMFCGMap: true,
+  winds: [225, 45, 225, 315, 135, 315]
+};
 let mapCoordinates = {}; // map coordinates on globe
-options.winds = [225, 45, 225, 315, 135, 315]; // default wind directions
-
 let populationRate = +document.getElementById("populationRateInput").value;
 let urbanization = +document.getElementById("urbanizationInput").value;
 
diff --git a/modules/ui/burg-editor.js b/modules/ui/burg-editor.js
index 98cae1a5..c61b6ed9 100644
--- a/modules/ui/burg-editor.js
+++ b/modules/ui/burg-editor.js
@@ -45,6 +45,7 @@ function editBurg(id) {
   document.getElementById("burgEditAnchorStyle").addEventListener("click", editGroupAnchorStyle);
 
   document.getElementById("burgEmblem").addEventListener("click", openEmblemEdit);
+  document.getElementById("burgToggleMFCGMap").addEventListener("click", toggleMFCGMap);
   document.getElementById("burgEditEmblem").addEventListener("click", openEmblemEdit);
   document.getElementById("burgRelocate").addEventListener("click", toggleRelocateBurg);
   document.getElementById("burglLegend").addEventListener("click", editBurgLegend);
@@ -108,8 +109,13 @@ function editBurg(id) {
     COArenderer.trigger(coaID, b.coa);
     document.getElementById("burgEmblem").setAttribute("href", "#" + coaID);
 
-    updateMFCGFrame(b);
-    document.getElementById("mfcgBurgSeed").value = getBurgSeed(b);
+    if (options.showMFCGMap) {
+      document.getElementById("mfcgPreviewSection").style.display = "block";
+      updateMFCGFrame(b);
+      document.getElementById("mfcgBurgSeed").value = getBurgSeed(b);
+    } else {
+      document.getElementById("mfcgPreviewSection").style.display = "none";
+    }
   }
 
   // in °C, array from -1 °C; source: https://en.wikipedia.org/wiki/List_of_cities_by_average_temperature
@@ -462,6 +468,12 @@ function editBurg(id) {
     editEmblem("burg", "burgCOA" + id, burg);
   }
 
+  function toggleMFCGMap() {
+    options.showMFCGMap = !options.showMFCGMap;
+    document.getElementById("mfcgPreviewSection").style.display = options.showMFCGMap ? "block" : "none";
+    document.getElementById("burgToggleMFCGMap").className = options.showMFCGMap ? "icon-map" : "icon-map-o";
+  }
+
   function toggleRelocateBurg() {
     const toggler = document.getElementById("toggleCells");
     document.getElementById("burgRelocate").classList.toggle("pressed");