diff --git a/app/assets/stylesheets/preview.sass b/app/assets/stylesheets/preview.sass
index 334a75a..d99f2d4 100644
--- a/app/assets/stylesheets/preview.sass
+++ b/app/assets/stylesheets/preview.sass
@@ -5,6 +5,7 @@
   .thumbnail-link
     display: block
     position: relative
+    text-decoration: none
 
     .play-button
       display: none