improve color saving; improve property handling

src/app/map/map.component.scss

@@ -38,8 +38,6 @@
   }
 
   .layer-control-area {
-
-
     .layer-list {
       max-width: 100%;
       border: solid 1px #ccc;
@@ -73,6 +71,25 @@
       transition: transform 250ms cubic-bezier(0, 0, 0.2, 1);
     }
   }
+
+  .layer-property-area {
+
+    .mat-card-content {
+
+      .entry {
+        display: flex;
+        height: 3rem;
+        align-items: center;
+        margin: 0 0 .125rem 0;
+        border: 1px black solid;
+        padding: .5rem;
+
+        .controls {
+          margin-left: auto;
+        }
+      }
+    }
+  }
 }
 
 .cdk-drag-preview {