PageTagForm appear in editor mode

src/client/styles/scss/_on-edit.scss

@@ -115,6 +115,7 @@ body.on-edit {
     }
     div#page-tag {
       float: right;
+      display: inline;
     }
 
     // hide if screen size is less than tablet

src/client/styles/scss/_page.scss

@@ -11,6 +11,10 @@
     // the container of h1
     div.title-container {
       margin-right: auto;
+      // hide unnecessary element
+      div#page-tag {
+        display: none;
+      }
     }
 
     .btn-copy, .btn-copy-link, .btn-edit {