Ticket #48780: 48780.5.diff

src/wp-admin/css/edit.css

@@ -1428 +1428 @@
         }
 }
 
+/* one column on the attachment editor screen */
+@media only screen and (max-width: 1200px) {
+        .post-type-attachment #poststuff {
+                min-width: 0;
+        }
+
+        .post-type-attachment #wpbody-content #poststuff #post-body {
+                margin: 0;
+        }
+
+        .post-type-attachment #wpbody-content #post-body.columns-2 #postbox-container-1 {
+                margin-right: 0;
+                width: 100%;
+        }
+
+        .post-type-attachment #poststuff #postbox-container-1 .empty-container,
+        .post-type-attachment #poststuff #postbox-container-1 #side-sortables:empty {
+                border: 0 none;
+                height: 0;
+                min-height: 0;
+        }
+
+        .post-type-attachment #poststuff #post-body.columns-2 #side-sortables {
+                min-height: 0;
+                width: auto;
+        }
+
+        /* hide the radio buttons for column prefs */
+        .post-type-attachment .screen-layout,
+        .post-type-attachment .columns-prefs {
+                display: none;
+        }
+}
+
 /* one column on the post write/edit screen */
 @media only screen and (max-width: 850px) {
         #poststuff {

src/wp-admin/css/media.css

@@ -852 +852 @@
 .wp_attachment_holder .imgedit-wrap .imgedit-panel-content {
         float: left;
         padding: 3px 16px 0 0;
+        min-width: 400px;
+        max-width: calc( 100% - 266px );
 }
 
 .wp_attachment_holder .imgedit-wrap .imgedit-settings {
@@ -1211 +1213 @@
         .wp_attachment_holder .imgedit-wrap .imgedit-settings {
                 float: none;
                 width: auto;
+                max-width: none;
         }
 }