Ticket #42111: 42111-2.diff

wp-admin/css/edit.css

@@ -214 +214 @@
 
 /* Back-compat for pre-4.4 */
 #category-adder h4 {
-    margin: 0;
+        margin: 0;
 }
 
 .taxonomy-add-new {
@@ -498 +498 @@
         border-style: solid;
 }
 
+.notification-dialog-wrap {
+        position: fixed;
+        z-index: 10000;
+        top: 0;
+        right: 0;
+        bottom: 0;
+        left: 0;
+        overflow: auto;
+        text-align: center;
+        -webkit-backface-visibility: hidden;
+        backface-visibility: hidden;
+}
+
+.notification-dialog-wrap::before {
+        content: '';
+        display: inline-block;
+        height: 100%;
+        vertical-align: middle;
+}
+
 .notification-dialog {
-        position: fixed;
-        top: 30%;
-        max-height: 70%;
-        left: 50%;
-        width: 450px;
-        margin-left: -225px;
+        display: inline-block;
+        position: relative;
+        max-width: 450px;
+        width: 100%;
         background: #fff;
         box-shadow: 0 3px 6px rgba( 0, 0, 0, 0.3 );
         line-height: 1.5;
         z-index: 1000005;
         overflow-y: auto;
+        vertical-align: middle;
+        text-align: left;
 }
 
 .notification-dialog-background {