diff --git a/admin/css/style.css b/admin/css/style.css
index 07cd285e97..da83697c3e 100644
--- a/admin/css/style.css
+++ b/admin/css/style.css
@@ -826,6 +826,8 @@ a.operate-reply { color: #545c30; }
#wmd-preview .summary:after { display: block; margin: 2em 0; background: #FFF9E8; color: #cf9900; font-size: .85714em; text-align: center; content: "- more -"; }
+#wmd-preview .embed { border: 1px solid #ccc; height: 40px; overflow: hidden; line-height: 40px; text-align: center; font-size: 12px; color: #777; }
+
#wmd-preview table { width: 100%; }
#wmd-preview table th, #wmd-preview table td { border: 1px solid #DDD; padding: 5px 8px; word-break: break-all; }
diff --git a/admin/editor-js.php b/admin/editor-js.php
index 5c14307f62..cc625ca611 100644
--- a/admin/editor-js.php
+++ b/admin/editor-js.php
@@ -3,6 +3,7 @@
+