Hide group header if only one group is presented

src/Umbraco.Web.UI.Client/src/views/blockelements/inlineblock/inlineblock.editor.html

@@ -4,7 +4,7 @@
         <i class="icon {{block.content.icon}}"></i>
         <span>{{block.label}}</span>
     </button>
-    <div class="blockelement-inlineblock-editor__inner" ng-if="block.isOpen === true">
+    <div class="blockelement-inlineblock-editor__inner" ng-class="{'--singleGroup':block.content.variants[0].tabs.length === 1}" ng-if="block.isOpen === true">
         <umb-element-editor-content model="block.content"></umb-element-editor-content>
     </div>
 </div>

src/Umbraco.Web.UI.Client/src/views/blockelements/inlineblock/inlineblock.editor.less

@@ -56,13 +56,20 @@
 .blockelement-inlineblock-editor__inner {
     border-top: 1px solid @gray-8;
     background-color: @gray-12;
-    
-    .umb-group-panel {
+
+    > * > * > * > .umb-group-panel {
         background-color: transparent;
         box-shadow: none;
+        margin-top: 10px;
         margin-bottom: 0;
+        > .umb-group-panel__content > .umb-property {
+            margin-bottom: 10px;
+        }
     }
-    .umb-group-panel__header {
-        display:none;
+    .umb-group-panel + .umb-group-panel {
+        margin-top: 20px;
+    }
+    &.--singleGroup > * > * > * > .umb-group-panel .umb-group-panel__header {
+        display: none;
     }
 }