Index: wp-includes/css/media-views.css
===================================================================
--- wp-includes/css/media-views.css	(revision 32453)
+++ wp-includes/css/media-views.css	(working copy)
@@ -2534,6 +2534,32 @@
 	}
 }
 
+@media screen and (min-width: 320px) and (max-width: 568px) {
+	.imgedit-crop.disabled {
+		display: none;
+	}
+
+	.imgedit-crop-wrap img{
+		width: 100%;
+	}
+
+	.media-modal .imgedit-wrap .imgedit-panel-content,
+	.media-modal .imgedit-wrap .imgedit-settings {
+		position: initial !important;
+	}
+
+	.media-modal .imgedit-wrap .imgedit-settings {
+		-webkit-box-sizing: border-box;
+		-moz-box-sizing: border-box;
+		box-sizing: border-box;
+		width: 100% !important;
+	}
+
+	.imgedit-crop {
+		display: none;
+	}
+}
+
 /**
  * HiDPI Displays
  */