diff --git a/app/assets/stylesheets/common/base/onebox.scss b/app/assets/stylesheets/common/base/onebox.scss
index e4e97bac5bd..a47569f708b 100644
--- a/app/assets/stylesheets/common/base/onebox.scss
+++ b/app/assets/stylesheets/common/base/onebox.scss
@@ -585,14 +585,14 @@ aside.onebox.stackexchange .onebox-body {
 .onebox-video-placeholder {
   position: relative;
   width: 100%;
-  padding: 0 0 56.25% 0;
+  padding: 0 0 48.25% 0;
   background-color: $primary-low;
 
   .video-placeholder-icon {
     &:before {
       opacity: 0.8;
       content: svg-uri(
-        '<svg width="128px" height="128px" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path fill="grey" d="M488 64h-8v20c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12V64H96v20c0 6.6-5.4 12-12 12H44c-6.6 0-12-5.4-12-12V64h-8C10.7 64 0 74.7 0 88v336c0 13.3 10.7 24 24 24h8v-20c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v20h320v-20c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v20h8c13.3 0 24-10.7 24-24V88c0-13.3-10.7-24-24-24zM96 372c0 6.6-5.4 12-12 12H44c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40zm0-96c0 6.6-5.4 12-12 12H44c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40zm0-96c0 6.6-5.4 12-12 12H44c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40zm272 208c0 6.6-5.4 12-12 12H156c-6.6 0-12-5.4-12-12v-96c0-6.6 5.4-12 12-12h200c6.6 0 12 5.4 12 12v96zm0-168c0 6.6-5.4 12-12 12H156c-6.6 0-12-5.4-12-12v-96c0-6.6 5.4-12 12-12h200c6.6 0 12 5.4 12 12v96zm112 152c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40zm0-96c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40zm0-96c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40z"></path></svg>'
+        '<svg width="128px" height="128px" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512"><path fill="grey" d="M336.2 64H47.8C21.4 64 0 85.4 0 111.8v288.4C0 426.6 21.4 448 47.8 448h288.4c26.4 0 47.8-21.4 47.8-47.8V111.8c0-26.4-21.4-47.8-47.8-47.8zm189.4 37.7L416 177.3v157.4l109.6 75.5c21.2 14.6 50.4-.3 50.4-25.8V127.5c0-25.4-29.1-40.4-50.4-25.8z"></path></svg>'
       );
     }
     position: absolute;