fix video player

static/css/video-box.css

@@ -28,6 +28,10 @@
     max-width: 100%;
   }
 
+  .video-box iframe {
+    max-width: 100%;
+}
+
   .video-box .media {
     line-height: 0;
   }
@@ -159,6 +163,7 @@
     height: inherit;
     opacity: 0;
     background-color: rgba(0,0,0,.3);
+    cursor: pointer;
   }
 
 .video-thumbnail:hover {