diff --git a/cps/static/css/style.css b/cps/static/css/style.css
index 6b3cba15..abe0ca48 100644
--- a/cps/static/css/style.css
+++ b/cps/static/css/style.css
@@ -111,6 +111,7 @@ a, .danger,.book-remove, .editable-empty, .editable-empty:hover { color: #45b29d
   display: block;
   max-width: 100%;
   height: auto;
+  max-height: 100%;
 }
 
 .container-fluid .discover{ margin-bottom: 50px; }