Remove padding from tabs + make init property background color white

src/Umbraco.Web.UI.Client/src/less/pages/document-type-editor.less

@@ -80,10 +80,10 @@
   }
 
   .tab-title{
-    padding: 10px 20px 0 20px;
+    padding: 5px 10px 0 10px;
     position: absolute;
     left: -2px;
-    top: -50px;
+    top: -45px;
     height: 38px;
     background: white;
     border: 2px solid #CCCCCC;
@@ -180,12 +180,9 @@
 
   .edt-property-group{
     position: relative;
-    padding: 40px 20px 30px 20px;
+    padding: 10px 10px 0 10px;
     -webkit-transition: all 0.5s;
     transition: all 0.5s;
-    @media screen and (max-width: 1500px) {
-      padding: 20px 20px 10px 20px;
-    }
   }
 
   .edt-property-list {
@@ -297,6 +294,7 @@
 
   // property state init - property placeholder
   .edt-property.property-state-init {
+    background: #ffffff;
     border: 2px dashed @grayLight;
     border-radius: 5px;
     cursor: pointer;
@@ -341,10 +339,6 @@
 
   .editors-document-type-canvas.is-in-sorting-mode {
 
-    .edt-property-group{
-      padding: 20px 20px 10px 20px;
-    }
-
     .edt-property {
       height: 50px;
       margin-bottom: 10px;