Fix mobile layout for skin editor. Update dark scheme for skin editor.

Http/SkinEditor/app.css

@@ -1,5 +1,5 @@
 body {
-	overflow: hidden;
+	text-size-adjust: none;
 	margin: 0;
 	font-family: sans-serif;
 	font-size: 16px;
@@ -38,12 +38,11 @@ body {
 }
 
 #treeview {
+	position: absolute;
+	top: 32px;
+	width: 100%;
 	height: calc(100% - 32px);
-}
-
-#tree {
 	overflow: auto;
-	height: calc(100% - 10px);
 }
 
 .t-list {
@@ -277,6 +276,12 @@ input {
 	.t-internal {
 		background-color: dimgray;
 	}
+	.btn-add {
+		border-color: lime;
+	}
+	.t-block {
+		border-color: cyan;
+	}
 	.mode-sort.state-grabbing .t-grabbing {
 		background-color: green;
 		border-left-color: lightgreen;