样式调整

src/css/index.less

@@ -77,12 +77,13 @@
 }
 .main-body{
   height: 100%;
-  margin-top:@headerHt+20px;
+  margin-top:@headerHt;
 }
 .menu{
   width: @menuWt;
   height: 100%;
   overflow-y: auto;
+  padding-top: 15px;
   .active{
     color: @activeColor;
     background: @activeBg;
@@ -131,8 +132,9 @@
   }
 }
 .main{
-  margin-left:@menuWt+20px;
+  margin-left:@menuWt;
   height: 100%;
+  border: 10px solid #f5f5f5;
   iframe{
     width: 100%;
     height: 100%;