diff --git a/src/adapter/vue-adapter/inspector-adapter.js b/src/adapter/vue-adapter/inspector-adapter.js
index 9c1b586681..aba93287b4 100644
--- a/src/adapter/vue-adapter/inspector-adapter.js
+++ b/src/adapter/vue-adapter/inspector-adapter.js
@@ -27,7 +27,7 @@ define([
 
             this.templateLinker.link(
                 this.scope,
-                angular.element(layout.$refs.inspector.$refs.properties.$el),
+                angular.element(layout.$refs.inspector.$refs.properties),
                 this.templateMap["inspectorRegion"]
             );
             this.$timeout(function () {
diff --git a/src/styles-new/_constants-snow.scss b/src/styles-new/_constants-snow.scss
index 3569665b0d..95f6606ea9 100644
--- a/src/styles-new/_constants-snow.scss
+++ b/src/styles-new/_constants-snow.scss
@@ -30,9 +30,10 @@ $colorAHov: $colorKey;
 $contrastRatioPercent: 40%;
 $hoverRatioPercent: 10%;
 $basicCr: 4px;
-$controlCr: $basicCr;
-$smallCr: 3px;
+$controlCr: 3px;
+$smallCr: 2px;
 $overlayCr: 11px;
+$shdwTextSubtle: rgba(black, 0.2) 0 1px 2px;
 
 // Buttons and Controls
 $colorBtnBg: pullForward($colorBodyBg, $contrastRatioPercent);
diff --git a/src/styles-new/_mixins.scss b/src/styles-new/_mixins.scss
index a1575f3d1b..91c7d86224 100644
--- a/src/styles-new/_mixins.scss
+++ b/src/styles-new/_mixins.scss
@@ -113,4 +113,16 @@
 
 @function decimalToPercent($d) {
     @return percentage($d);
+}
+
+/************************** UTILITIES */
+@mixin browserPrefix($prop, $val) {
+    #{$prop}: $val;
+    -ms-#{$prop}: $val;
+    -moz-#{$prop}: $val;
+    -webkit-#{$prop}: $val;
+}
+
+@mixin userSelectNone() {
+    @include browserPrefix(user-select, none);
 }
\ No newline at end of file
diff --git a/src/ui/components/controls/pane.vue b/src/ui/components/controls/pane.vue
index 8fcc2d8b1d..8ebb05891e 100644
--- a/src/ui/components/controls/pane.vue
+++ b/src/ui/components/controls/pane.vue
@@ -5,16 +5,17 @@
             'l-pane--horizontal-handle-after': type === 'horizontal' && handle === 'after',
             'l-pane--vertical-handle-before': type === 'vertical' && handle === 'before',
             'l-pane--vertical-handle-after': type === 'vertical' && handle === 'after',
-             'l-pane--collapsed': collapsed
+             'l-pane--collapsed': collapsed,
+             'l-pane--resizing': resizing === true
          }">
         <!-- TODO: move resize-handle styling from handle into pane, so that padding can be handled -->
         <div v-if="handle"
              class="l-pane__handle"
              @mousedown="start">
         </div>
-        <a class="l-pane__collapse-button"
-           @click="toggleCollapse"
-           v-if="collapsable">
+        <a v-if="collapsable"
+           class="l-pane__collapse-button"
+           @click="toggleCollapse">
             <span class="l-pane__label">{{ label }}</span>
         </a>
         <div class="l-pane__contents">
@@ -26,7 +27,7 @@
 <style lang="scss">
     @import "~styles/sass-base";
 
-    $hitMargin: 2px;
+    $hitMargin: 4px;
     /**************************** BASE - MOBILE AND DESKTOP */
     .l-pane {
         opacity: 1;
@@ -92,7 +93,7 @@
                 background: $colorSplitterBg;
                 display: block;
                 position: absolute;
-                z-index: 20;
+                z-index: 100;
                 transition: $transOut;
 
                 &:before {
@@ -112,9 +113,11 @@
             &__collapse-button {
                 background: $colorSplitterButtonBg;
                 color: $colorSplitterButtonFg;
+                flex: 1 0 auto;
                 font-size: nth($splitterCollapseBtnD, 1) * .7;
                 position: relative;
                 justify-content: start;
+                text-shadow: $shdwTextSubtle;
                 transition: $transOut;
 
                 &:after {
@@ -133,12 +136,18 @@
 
             &__label {
                 // Name of the pane
+                @include ellipsize();
                 display: block;
                 text-transform: uppercase;
                 transform-origin: top left;
                 flex: 1 0 90%;
             }
 
+            &--resizing {
+                // User is dragging the handle and resizing a pane
+                @include userSelectNone();
+            }
+
             &[class*="--collapsed"] {
                 $d: nth($splitterCollapseBtnD, 1);
                 flex-basis: $d;
@@ -151,8 +160,6 @@
             }
 
             &[class*="--horizontal"] {
-                $splitterHorzPad: nth($splitterCollapseBtnD, 1) + $interiorMargin;
-
                 > .l-pane__handle {
                     cursor: col-resize;
                     top: 0;
@@ -227,12 +234,29 @@
                     }
                 }
 
+                /************************** Vertical Splitter Before */
+                &[class*="-before"] {
+                    > .l-pane__handle {
+                        top: 0;
+                        //transform: translateY(floor($splitterHandleD / -2)); // Center over the pane edge
+                    }
+                }
+
+                /************************** Vertical Splitter After */
+                &[class*="-after"] {
+                    > .l-pane__handle {
+                        bottom: 0;
+                        //transform: translateY(floor($splitterHandleD / 2)); // Center over the pane edge
+                    }
+                }
             }
         } // Ends .body.desktop
     } // Ends .l-pane
 </style>
 
 <script>
+const COLLAPSE_THRESHOLD_PX = 30;
+
 export default {
     props: {
         handle: {
@@ -241,23 +265,27 @@ export default {
                 return ['before', 'after'].indexOf(value) !== -1;
             }
         },
-        collapsable: Boolean,
-        label: String
+        collapsable: {
+            type: Boolean,
+            default: false
+        },
+        label: String,
+        resizing: Boolean
     },
     data() {
         return {
             collapsed: false
+            // styleProp: 'flexBasis'
+            //styleProp: (type === 'horizontal')? 'width' : 'height'
         }
     },
     beforeMount() {
         this.type = this.$parent.type;
-        this.styleProp = 'flex-basis';
+        this.styleProp = (this.type === 'horizontal') ? 'width' : 'height'
     },
     methods: {
         toggleCollapse: function () {
             this.collapsed = !this.collapsed;
-            // console.log("rs " + restoreSize);
-            // if (!restoreSize) { restoreSize = this.$el.style[this.styleProp]; }
             if (this.collapsed) {
                 // Pane is expanded and is being collapsed
                 this.currentSize = (this.dragCollapse === true)? this.initial : this.$el.style[this.styleProp];
@@ -277,6 +305,7 @@ export default {
                     this.initial = this.$el.offsetWidth;
                 }
             }
+            console.log('size', this.initial)
         },
         getPosition: function (event) {
             return this.type === 'horizontal' ?
@@ -295,26 +324,29 @@ export default {
         updatePosition: function (event) {
             let size = this.getNewSize(event);
             this.$el.style[this.styleProp] = size;
-            let intSize = parseInt(size.substr(0, size.length - 2));
-            // console.log(this.initial);
-            if (intSize < 50) {
-                console.log("initial: " + this.initial);
-                this.dragCollapse = true;
-                this.end();
-                this.toggleCollapse();
-            } else {
-                this.$el.style[this.styleProp] = size;
-            }
+
+            // let intSize = parseInt(size.substr(0, size.length - 2));
+            // if (intSize < COLLAPSE_THRESHOLD_PX && this.collapsable === true) {
+            //     // console.log("initial: " + this.initial);
+            //     this.dragCollapse = true;
+            //     this.end();
+            //     // this.toggleCollapse();
+            // } else {
+            //     this.$el.style[this.styleProp] = size;
+            // }
         },
         start: function (event) {
             this.startPosition = this.getPosition(event);
+            // console.log(this.startPosition);
             document.body.addEventListener('mousemove', this.updatePosition);
             document.body.addEventListener('mouseup', this.end);
+            //this.resizing = true;
             this.trackSize();
         },
         end: function (event) {
             document.body.removeEventListener('mousemove', this.updatePosition);
             document.body.removeEventListener('mouseup', this.end);
+            this.resizing = false;
             this.trackSize();
         }
     }
diff --git a/src/ui/components/layout/Layout.vue b/src/ui/components/layout/Layout.vue
index bc08eed1da..2a98efa41d 100644
--- a/src/ui/components/layout/Layout.vue
+++ b/src/ui/components/layout/Layout.vue
@@ -74,7 +74,7 @@
             background: $colorTreeBg;
             //padding: $m;
             backface-visibility: hidden;
-            flex-basis: 40%;
+            width: 40%;
 
             .l-pane__contents {
                 display: flex;
@@ -118,7 +118,7 @@
 
         @include phonePortrait() {
             &__pane-tree {
-                flex-basis: calc(100% - #{$mobileMenuIconD});
+                width: calc(100% - #{$mobileMenuIconD});
 
                 + .l-pane {
                     // Hide pane-main when this pane is expanded
@@ -188,11 +188,11 @@
             }
 
             &__pane-tree {
-                flex-basis: 300px;
+                width: 300px;
             }
 
             &__pane-inspector {
-                flex-basis: 200px;
+                width: 200px;
             }
         }
     }
diff --git a/src/ui/components/layout/MctInspector.vue b/src/ui/components/layout/MctInspector.vue
index 903043717d..a7137cb4c1 100644
--- a/src/ui/components/layout/MctInspector.vue
+++ b/src/ui/components/layout/MctInspector.vue
@@ -1,13 +1,14 @@
 <template>
     <multipane class="c-inspector"
                type="vertical">
-        <pane class="c-inspector__properties"
-              ref="properties">
+        <pane class="c-inspector__properties">
+            <div ref="properties">
+
+            </div>
         </pane>
         <pane class="l-pane c-inspector__elements"
-              handle="before"
-              ref="elements">
-            c-inspector__elements
+              handle="before">
+            <div ref="elements">c-inspector__elements</div>
         </pane>
     </multipane>
 </template>
@@ -29,22 +30,29 @@
     .c-inspector {
         display: flex;
         flex-flow: column nowrap;
+        align-items: stretch;
         height: 100%;
         min-width: 150px;
 
         > [class*="__"] {
             min-height: 50px;
-            padding: $interiorMargin;
+            /*overflow: auto;*/
+            &:not(:last-child) {
+                margin-bottom: $interiorMargin;
+            }
         }
 
         &__properties {
+            @include userSelectNone();
+            //@include test(red);
+            height: auto;
             flex: 1 1 auto;
         }
 
         &__elements {
-            //@include test(blue);
-            height: 25%;
-            flex: 0 1 auto;
+            @include test(green);
+            height: 200px;
+            flex: 1 1 auto;
         }
 
         .l-inspector-part {
@@ -53,10 +61,10 @@
 
         h2 {
             @include grid-two-column-span-cols;
-            border-radius: $controlCr;
+            border-radius: $smallCr;
             background-color: $colorInspectorSectionHeaderBg;
             color: $colorInspectorSectionHeaderFg;
-            font-size: 100%;
+            font-size: .85em;
             font-weight: normal;
             margin: $interiorMarginLg 0 $interiorMarginSm 0;
             padding: $interiorMarginSm $interiorMargin;