diff --git a/kb.css b/kb.css
index 71417de..10590e9 100644
--- a/kb.css
+++ b/kb.css
@@ -67,9 +67,12 @@ html, body {
   box-sizing: border-box;
   background-clip: padding-box;
 }
-#keyboard .hover .keyborder { border-color: green !important; border-style: solid; }
-#keyboard .selected .keyborder { border-color: red !important; border-style: solid; }
+#keyboard .hover .keyborder, #keyboard .hover .decal .keyborder { border-color: green !important; border-style: solid; }
+#keyboard .selected .keyborder, #keyboard .selected .decal .keyborder { border-color: red !important; border-style: solid; }
 #keyboard .ghosted { opacity: 0.5; }
+#keyboard .decal .keyborder { border-style: none !important; background: transparent !important; }
+#keyboard .hover .decal .keyborder, 
+#keyboard .selected .decal .keyborder { border-style: dashed !important; border-width: 1px; }
 
 /* Key labels */
 .keylabel>div { display: table-cell; position: static !important; }
diff --git a/kb.html b/kb.html
index fa6d34f..08128d4 100644
--- a/kb.html
+++ b/kb.html
@@ -371,9 +371,9 @@ Nav Bar / Header
           <div class="col-md-9 col-lg-9">
             <div class="form-inline hint--top hint--rounded"
                  data-hint="Specify the primary and secondary widths for the keycap. The secondary width is used to specify the size of non-rectangular or stepped keys.">
-              <kbd-multi-numbox field="width" size="6" min="0.5" max="12" step='{{sizeStep}}'></kbd-multi-numbox>
+              <kbd-multi-numbox field="width" size="6" min="0.5" max="18" step='{{sizeStep}}'></kbd-multi-numbox>
               <div class="form-group form-group-sm"> / </div>
-              <kbd-multi-numbox field="width2" size="6" min="0.5" max="12" step='{{sizeStep}}'></kbd-multi-numbox>
+              <kbd-multi-numbox field="width2" size="6" min="0.5" max="18" step='{{sizeStep}}' kbd-disable="multi.decal"></kbd-multi-numbox>
             </div>
 
             <!-- Swap Colors Button -->
@@ -397,9 +397,9 @@ Nav Bar / Header
           <div class="col-md-9 col-lg-9">
             <div class="form-inline hint--top hint--rounded"
                  data-hint="Specify the primary and secondary heights for the keycap. The secondary height is used to specify the size of non-rectangular or stepped keys.">
-              <kbd-multi-numbox field="height" size="6" min="0.5" max="12" step='{{sizeStep}}'></kbd-multi-numbox>
+              <kbd-multi-numbox field="height" size="6" min="0.5" max="18" step='{{sizeStep}}'></kbd-multi-numbox>
               <div class="form-group form-group-sm"> / </div>
-              <kbd-multi-numbox field="height2" size="6" min="0.5" max="12" step='{{sizeStep}}'></kbd-multi-numbox>
+              <kbd-multi-numbox field="height2" size="6" min="0.5" max="18" step='{{sizeStep}}' kbd-disable="multi.decal"></kbd-multi-numbox>
             </div>
           </div>
         </div>
@@ -412,7 +412,7 @@ Nav Bar / Header
                  data-hint="Specify the X position of the keycap. An X-offset can also be specified to indicate how non-rectangular keys should be displayed.">
               <kbd-multi-numbox field="x" size="6" min="0" max="36" step='{{moveStep}}'></kbd-multi-numbox>
               <div class="form-group form-group-sm"> + </div>
-              <kbd-multi-numbox field="x2" size="6" min="-6" max="6" step='{{moveStep}}'></kbd-multi-numbox>
+              <kbd-multi-numbox field="x2" size="6" min="-6" max="6" step='{{moveStep}}' kbd-disable="multi.decal"></kbd-multi-numbox>
             </div>
           </div>
         </div>
@@ -425,7 +425,7 @@ Nav Bar / Header
                  data-hint="Specify the Y position of the keycap. A Y-offset can also be specified to indicate how non-rectangular keys should be displayed.">
               <kbd-multi-numbox field="y" size="6" min="0" max="36" step='{{moveStep}}'></kbd-multi-numbox>
               <div class="form-group form-group-sm"> + </div>
-              <kbd-multi-numbox field="y2" size="6" min="-6" max="6" step='{{moveStep}}'></kbd-multi-numbox>
+              <kbd-multi-numbox field="y2" size="6" min="-6" max="6" step='{{moveStep}}' kbd-disable="multi.decal"></kbd-multi-numbox>
             </div>
           </div>
         </div>
@@ -470,6 +470,7 @@ Nav Bar / Header
               <kbd-multi-check field="ghost" hint-text="Specify whether the selected keys should be rendered slightly transparently; this is useful to draw attention to the other, non-ghosted keycaps.">Ghosted</kbd-multi-check>
               <kbd-multi-check field="stepped" hint-text="Specify whether the selected keys are 'stepped', i.e., part of the key is at a lower height than the rest.  The secondary 'width' indicates the width of the stepped part.">Stepped</kbd-multi-check>
               <kbd-multi-check field="nub" hint-text="Specifies that the selected keys are 'homing' keys, which help the user find the home-row by touch alone.">Homing</kbd-multi-check>
+              <kbd-multi-check field="decal" hint-text="Specifies that the selected keys are to be treated as 'decals', i.e., purely decorative additions to the layout.">Decal</kbd-multi-check>
             </div>
           </div>
         </div>
@@ -918,7 +919,7 @@ Angular Templates
            ng-model="$parent.multi[field]"
            ng-change="$parent.updateMulti(field)"
            ng-blur="$parent.validateMulti(field)"
-           ng-disabled="$parent.selectedKeys.length<1"
+           ng-disabled="$parent.selectedKeys.length<1 || kbdDisable"
            style="max-width:80px">
   </div>
 </script>
@@ -962,20 +963,20 @@ DOT.js Templates
 
 <!-- Keycap Template -->
 <script type="text/ng-template" id="keycap_html">
-  <div class='{{=key.ghost ? "ghosted keycap" : "keycap"}}'
+  <div class='{{=key.ghost ? "ghosted" : ""}} {{=key.decal ? "decal" : ""}} keycap'
     {{? key.rotation_angle }}
        style='transform:rotate({{=key.rotation_angle}}deg); transform-origin:{{=parms.origin_x}}px {{=parms.origin_y}}px;'
     {{?}}>
 
     <div style="left: {{=parms.capx}}px; top: {{=parms.capy}}px;
                 width: {{=parms.capwidth}}px; height: {{=parms.capheight}}px;
-                border: solid {{=sizes.strokeWidth}}px black; border-radius: {{=sizes.roundOuter}}px;
+                border-style: solid; border-width: {{=sizes.strokeWidth}}px; border-color: black; border-radius: {{=sizes.roundOuter}}px;
                 background-color: {{=parms.darkColor}};"
          class="keyborder"></div>
-  {{? parms.jShaped }}
+  {{? parms.jShaped}}
     <div style="left: {{=parms.capx2}}px; top: {{=parms.capy2}}px;
                 width: {{=parms.capwidth2}}px; height: {{=parms.capheight2}}px;
-                border: solid {{=sizes.strokeWidth}}px black; border-radius: {{=sizes.roundOuter}}px;
+                border-style: solid; border-width: {{=sizes.strokeWidth}}px; border-color: black; border-radius: {{=sizes.roundOuter}}px;
                 background-color: {{=parms.darkColor}};"
          class="keyborder"></div>
     <div style="left: {{=parms.capx + sizes.strokeWidth}}px; top: {{=parms.capy + sizes.strokeWidth}}px;
@@ -985,17 +986,18 @@ DOT.js Templates
                 border-radius: {{=sizes.roundOuter}}px;"></div>
   {{?}}
 
-  {{? !key.ghost }}
+{{? !key.ghost }}
+  {{? !key.decal}}
     <div style="left: {{=parms.innercapx}}px; top: {{=parms.innercapy}}px;
                 width: {{=parms.innercapwidth}}px; height: {{=parms.innercapheight}}px;
-                border: solid {{=sizes.strokeWidth}}px rgba(0,0,0,0.1);
+                border-style: solid; border-width: {{=sizes.strokeWidth}}px; border-color: rgba(0,0,0,0.1);
                 background-color: {{=parms.lightColor}};
                 border-radius: {{=sizes.roundInner}}px;"
          class="keytop"></div>
     {{? parms.jShaped && !key.stepped }}
       <div style="left: {{=parms.innercapx2}}px; top: {{=parms.innercapy2}}px;
                   width: {{=parms.innercapwidth2}}px; height: {{=parms.innercapheight2}}px;
-                  border: solid {{=sizes.strokeWidth}}px rgba(0,0,0,0.1); border-radius: {{=sizes.roundInner}}px;
+                  border-style: solid; border-width: {{=sizes.strokeWidth}}px; border-color: rgba(0,0,0,0.1); border-radius: {{=sizes.roundInner}}px;
                   background-color: {{=parms.lightColor}};
                   background-position: {{=Math.min(parms.innercapx-parms.innercapx2,0)}}px {{=Math.min(parms.innercapy-parms.innercapy2,0)}}px;
                   background-size: {{=Math.max(parms.innercapwidth,parms.innercapwidth2)}}px {{=Math.max(parms.innercapheight,parms.innercapheight2)}}px;"
@@ -1008,6 +1010,7 @@ DOT.js Templates
                   background-size: {{=Math.max(parms.innercapwidth,parms.innercapwidth2)}}px {{=Math.max(parms.innercapheight,parms.innercapheight2)}}px;"
            class="keytop"></div>
     {{?}}
+  {{?}} <!--!key.decal-->
 
     <div style='left: {{=parms.innercapx}}px; top: {{=parms.innercapy}}px; width: {{=parms.innercapwidth}}px; height: {{=parms.innercapheight}}px; padding: {{=sizes.padding}}px;' class='keylabels'>
       {{~key.labels :label:i}}
@@ -1062,7 +1065,7 @@ DOT.js Templates
       <rect x="{{=parms.innercapx+sizes.strokeWidth}}" y="{{=parms.innercapy+sizes.strokeWidth}}"
             width="{{=parms.innercapwidth-sizes.strokeWidth*2}}" height="{{=parms.innercapheight-sizes.strokeWidth*2}}"
             rx="{{=sizes.roundOuter}}" fill="{{=parms.lightColor}}" class="inner border"/>
-      {{? parms.jShaped && !key.stepped }}
+      {{? parms.jShaped && !key.stepped && !key.decal}}
         <rect x="{{=parms.innercapx2+sizes.strokeWidth}}" y="{{=parms.innercapy2+sizes.strokeWidth}}"
               width="{{=parms.innercapwidth2-sizes.strokeWidth*2}}" height="{{=parms.innercapheight2-sizes.strokeWidth*2}}"
               rx="{{=sizes.roundOuter}}" fill="{{=parms.lightColor}}" class="inner border"/>
@@ -1071,14 +1074,14 @@ DOT.js Templates
       <rect x="{{=parms.innercapx+sizes.strokeWidth}}" y="{{=parms.innercapy+sizes.strokeWidth}}"
             width="{{=parms.innercapwidth-sizes.strokeWidth*2}}" height="{{=parms.innercapheight-sizes.strokeWidth*2}}"
             rx="{{=sizes.roundOuter}}" fill="{{=parms.lightColor}}"/>
-      {{? parms.jShaped && !key.stepped }}
+      {{? parms.jShaped && !key.stepped && !key.decal}}
         <rect x="{{=parms.innercapx2+sizes.strokeWidth}}" y="{{=parms.innercapy2+sizes.strokeWidth}}"
               width="{{=parms.innercapwidth2-sizes.strokeWidth*2}}" height="{{=parms.innercapheight2-sizes.strokeWidth*2}}"
               rx="{{=sizes.roundOuter}}" fill="{{=parms.lightColor}}"/>
       {{?}}
       {{? sizes.profile !== "" }}
         {{var theProfile = sizes.profile; if(/\b(SPACE)\b/.exec(key.profile)) theProfile = "SPACE";}}
-        {{? parms.jShaped && !key.stepped }}
+        {{? parms.jShaped && !key.stepped && !key.decal}}
           {{
             /*much harder to do j-shaped keys in SVG*/
             theProfile = '_fill'+parms.index;
diff --git a/kb.js b/kb.js
index f2aa14f..79d10c2 100644
--- a/kb.js
+++ b/kb.js
@@ -531,10 +531,10 @@
 				y : function() { return Math.max(0, Math.min(36, value)); },
 				x2 : function() { return Math.max(-Math.abs(key.width-key.width2), Math.min(Math.abs(key.width-key.width2), value)); },
 				y2 : function() { return Math.max(-Math.abs(key.height-key.height2), Math.min(Math.abs(key.height-key.height2), value)); },
-				width : function() { return Math.max(0.5, Math.min(12, value)); },
-				height : function() { return Math.max(0.5, Math.min(12, value)); },
-				width2 : function() { return Math.max(0.5, Math.min(12, value)); },
-				height2 : function() { return Math.max(0.5, Math.min(12, value)); },
+				width : function() { return Math.max(0.5, Math.min(18, value)); },
+				height : function() { return Math.max(0.5, Math.min(18, value)); },
+				width2 : function() { return Math.max(0.5, Math.min(18, value)); },
+				height2 : function() { return Math.max(0.5, Math.min(18, value)); },
 				textSize : function() { return Math.max(1, Math.min(9, value)); },
 				rotation_angle : function() { return Math.max(-180, Math.min(180, value)); },
 				rotation_x : function() { return Math.max(0, Math.min(36, value)); },
@@ -562,6 +562,7 @@
 						}
 					}
 				},
+				decal : function() { key[prop] = value; key.x2 = key.y2 = 0; key.width2 = key.width; key.height2 = key.height; },
 				rotation_angle : function() { key.rotation_angle = value; key.rotation_x = $scope.multi.rotation_x; key.rotation_y = $scope.multi.rotation_y; },
 			};
 			return (u[prop] || u._)();
@@ -1418,7 +1419,7 @@
 		return { templateUrl: "multiCheck.html", restrict: "E", scope: { hintText: "@", field: "@" }, transclude: true };
 	});
 	kbApp.directive('kbdMultiNumbox', function() {
-		return { templateUrl: "multiNumbox.html", restrict: "E", scope: { field: "@", size:"@", min:"@", max:"@", step:"@" } };
+		return { templateUrl: "multiNumbox.html", restrict: "E", scope: { field: "@", size:"@", min:"@", max:"@", step:"@", kbdDisable: "=" } };
 	});
 
 	// Runs a confirmation dialog asynchronously, using promises.
diff --git a/samples/pkb.json b/samples/pkb.json
index 2bdcab0..936272f 100644
--- a/samples/pkb.json
+++ b/samples/pkb.json
@@ -13,7 +13,14 @@
   },
   [
     {
-      "y": 0.38,
+      "x": 23,
+      "d": true
+    },
+    ""
+  ],
+  [
+    {
+      "y": -0.62,
       "x": 1.25,
       "c": "#857eb1",
       "f": 6
@@ -208,10 +215,19 @@
     },
     "\n⌶ ▮"
   ],
+  [
+    {
+      "x": 9.5,
+      "w": 5,
+      "h": 0.5,
+      "d": true
+    },
+    ""
+  ],
   [
     {
       "r": 15,
-      "y": -8.530000000000001,
+      "y": -9.530000000000001,
       "x": 3,
       "c": "#c7c3b4",
       "f": 3,
diff --git a/serial.js b/serial.js
index 37a79f1..589a149 100644
--- a/serial.js
+++ b/serial.js
@@ -105,7 +105,8 @@ var $serial = (typeof(exports) !== 'undefined') ? exports : {};
 		rotation_angle: 0, rotation_x: 0, rotation_y: 0,	// rotation
 		labels:[], textColor: [], textSize: [],						// label properties
 		default: { textColor: "#000000", textSize: 3 },		// label defaults
-		color: "#cccccc", profile: "", nub: false, ghost: false, stepped: false	// cap appearance
+		color: "#cccccc", profile: "", nub: false, 				// cap appearance
+		ghost: false, stepped: false, decal: false
 	};
 
 	var _defaultMetaData = { backcolor: '#eeeeee', name: '', author: '', notes: '', background: undefined, radii: '' };
@@ -257,6 +258,7 @@ var $serial = (typeof(exports) !== 'undefined') ? exports : {};
 			serializeProp(props, "y2", key.y2, 0);
 			serializeProp(props, "n", key.nub || false, false);
 			serializeProp(props, "l", key.stepped || false, false);
+			serializeProp(props, "d", key.decal || false, false);
 			if(!isEmptyObject(props)) { row.push(props); }
 			current.labels = ordered.labels;
 			row.push(ordered.labels.join("\n").trimEnd());
@@ -316,7 +318,7 @@ var $serial = (typeof(exports) !== 'undefined') ? exports : {};
 						current.x += current.width;
 						current.width = current.height = 1;
 						current.x2 = current.y2 = current.width2 = current.height2 = 0;
-						current.nub = current.stepped = false;
+						current.nub = current.stepped = current.decal = false;
 
 					} else {
 						if(key.r != null) { if(k!=0) {deserializeError("'r' can only be used on the first key in a row", key);} current.rotation_angle = key.r; }
@@ -343,6 +345,7 @@ var $serial = (typeof(exports) !== 'undefined') ? exports : {};
 						if(key.h2) { current.height2 = key.h2; }
 						if(key.n) { current.nub = key.n; }
 						if(key.l) { current.stepped = key.l; }
+						if(key.d) { current.decal = key.d; }
 						if(key.g != null) { current.ghost = key.g; }
 					}
 				}