styling edit responsive iframe-container

vue-theme/src/pages/single.vue

@@ -194,4 +194,17 @@ export default {
             li
                 img
                     width: 100%
+        /* responsive iframe embeds */
+        .iframe-container 
+            position: relative
+            width: 100% 
+            padding-bottom: 56.25% 
+
+        .iframe-container iframe 
+            position: absolute 
+            top: 0px 
+            left: 0px 
+            width: 100% 
+            height: 100% 
+
 </style>