注释掉css中的无效代码

public/static/css/main.css

@@ -7736,7 +7736,7 @@ li.secondMenu ul li:hover {
 	background-color: #f0f0f0;
 }
 .workheightinit{
-	height: calc(0);
+	/* height: calc(0); */
 	overflow: hidden;
 	transition: ease all 0.5s;
 }