diff --git a/services/web/public/img/teasers/github/teaser-github.gif b/services/web/public/img/teasers/github/teaser-github.gif
new file mode 100644
index 0000000000..5728cf00e7
Binary files /dev/null and b/services/web/public/img/teasers/github/teaser-github.gif differ
diff --git a/services/web/public/img/teasers/github/teaser-github.mp4 b/services/web/public/img/teasers/github/teaser-github.mp4
new file mode 100644
index 0000000000..26021d916c
Binary files /dev/null and b/services/web/public/img/teasers/github/teaser-github.mp4 differ
diff --git a/services/web/public/img/teasers/github/teaser-github.png b/services/web/public/img/teasers/github/teaser-github.png
new file mode 100644
index 0000000000..43ece2612d
Binary files /dev/null and b/services/web/public/img/teasers/github/teaser-github.png differ
diff --git a/services/web/public/stylesheets/app/editor.less b/services/web/public/stylesheets/app/editor.less
index c621ece709..afbcdae7f7 100644
--- a/services/web/public/stylesheets/app/editor.less
+++ b/services/web/public/stylesheets/app/editor.less
@@ -421,6 +421,7 @@
 	margin-bottom: 5px;
 }
 
+.teaser-video-container,
 .dropbox-teaser-video-container {
 	margin-top: -@modal-inner-padding;
 	margin-left: -@modal-inner-padding;
@@ -428,7 +429,10 @@
 	margin-bottom: 5px;
 	overflow: hidden;
 }
+
+.teaser-video,
 .dropbox-teaser-video {
 	width: 100%;
 	height: auto;
+	border-bottom: 1px solid @modal-header-border-color;
 }