Ticket #40578: 40578.diff

src/wp-admin/css/media.css

@@ -536 +536 @@
         padding-bottom: 94px; /* offset for above so the bottom doesn't get cut off */
 }
 
-.media-frame.mode-grid .attachment:focus,
-.media-frame.mode-grid .selected.attachment:focus,
-.media-frame.mode-grid .attachment.details:focus {
+.media-frame.mode-select .attachment:focus,
+.media-frame.mode-select .selected.attachment:focus,
+.media-frame.mode-select .attachment.details:focus {
         -webkit-box-shadow:
                 inset 0 0 2px 3px #f1f1f1,
                 inset 0 0 0 7px #5b9dd9;
@@ -548 +548 @@
         outline: none;
 }
 
+.wp-core-ui .attachment:focus {
+        -webkit-box-shadow: none;
+        box-shadow: none;
+        cursor: auto;
+}
+
 .media-frame.mode-grid .selected.attachment {
         -webkit-box-shadow:
                 inset 0 0 0 5px #f1f1f1,