Index: src/wp-includes/css/media-views.css
===================================================================
--- src/wp-includes/css/media-views.css	(revision 40396)
+++ src/wp-includes/css/media-views.css	(working copy)
@@ -2646,7 +2646,25 @@
 		background-image: url(../images/spinner-2x.gif);
 	}
 }
-
+@media screen and ( max-width: 780px ) {
+	.media-frame-content .imgedit-wrap > div:first-child {
+		display: -webkit-box;
+		display: -moz-box;
+		display: -ms-flexbox;
+		display: -webkit-flex;
+		display: flex;
+		flex-direction:column-reverse;
+		overflow: hidden;
+	}
+	.media-frame-content .imgedit-wrap .imgedit-settings,
+	.media-frame-content .imgedit-wrap .imgedit-panel-content {
+		position: static;
+		width: 100%;
+	}
+	.media-frame-content .imgedit-wrap .imgedit-settings {
+		border-top:1px solid #666;
+	}
+}
 .media-frame-content[data-columns="1"] .attachment {
 	width: 100%;
 }