Ticket #31253: 31253.3.patch

src/wp-includes/js/tinymce/skins/wordpress/wp-content.css

@@ -75 +75 @@
         text-align: center;
 }
 
+img {
+        height: auto;
+        max-width: 100%;
+}
+
 .wp-caption {
-        margin: 0;
+        margin: 0; /* browser reset */
+        max-width: 100%;
+}
+
+/* iOS does not obey max-width if width is set. */
+.ios .wp-caption {
+        width: auto !important;
 }
 
 .wp-caption img {