样式

src/themes/light/pane.scss

@@ -28,10 +28,10 @@
 		flex: 1;
 		border-radius: 2px;
 		position: relative;
-		&.background{
+		/*&.background{
 			display: block;
 			width: 100%;
-		}
+		}*/
 	}
 
 	.title-bar {

src/themes/light/playground.scss

@@ -7,8 +7,9 @@
   background-color: transparent;
   box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
   overflow: hidden;
-  transform: scale(.5, .5);
-  transform-origin: 50% 0%;
+  /*transform: scale(.5, .5);
+  transform-origin: 50% 0%;*/
+  zoom: 0.5;
 }
 .zero-playground-draw-panel{
   height: 1200px;