diff --git a/_scss/_mobile.scss b/_scss/_mobile.scss
index b34c0c04c4..37b7f06212 100755
--- a/_scss/_mobile.scss
+++ b/_scss/_mobile.scss
@@ -77,6 +77,9 @@
         overflow: visible;
         height: auto;
     }
+    iframe {
+        width: 100%;
+    }
 }
 
 /* Portrait */