mobile + js: min-height for content > sidebar hight

css/area_nav-metabox.less

@@ -1,4 +1,11 @@
 #meta-box {
+
+    display: inline-block;
+    min-height: 1.95rem;
+    max-width: 40%;
+    float: right;
+
+
     .tab-container {
         display: table;
     }
@@ -196,5 +203,26 @@
         clear: right;
         margin-top: 20px;
     }
+
+    @media @screen_max-md{
+        max-width: 100%;
+        float: none;
+        display: block;
+        top: -1.1rem;
+        position: relative;
+        right: -3.07rem;
+        .tab-container{
+            display: block;
+        }
+        ul.meta-tabs{
+            float: right;
+            > li > a{
+                margin-left: 0;
+            }
+        }
+        .meta-content{
+            clear: both;
+        }
+    }
 }