Ticket #58164: 58164-2.patch

src/wp-admin/css/admin-menu.css

@@ -62 +62 @@
 #adminmenuwrap {
         position: relative;
         float: left;
-        z-index: 9990;
+        z-index: 10001;
 }
 
 /* side admin menu */

src/wp-admin/css/common.css

@@ -27 +27 @@
         float: left;
         width: 100%;
         overflow: visible;
+        min-height: calc(100vh - 97px); /* 32px height of #wpadminbar + 65px for bottom padding */
 }
 
 /* inner 2 column liquid layout */
@@ -3796 +3797 @@
 
         #wpbody-content {
                 padding-bottom: 100px;
+                min-height: calc(100vh - 146px); /* 46px height of #wpadminbar + 100px for bottom padding */
         }
 
         .wrap {