diff --git a/cas_server/static/cas_server/login.css b/cas_server/static/cas_server/login.css
index b29433d..6d3524b 100644
--- a/cas_server/static/cas_server/login.css
+++ b/cas_server/static/cas_server/login.css
@@ -43,14 +43,14 @@ body {
 
 @media screen and (max-width: 680px) {
     #app-name {
-        margin: 0px;
+        margin: 0;
     }
     #app-name img {
         display: block;
         margin: auto;
     }
     body {
-      padding-top: 0px;
-      padding-bottom: 0px;
+      padding-top: 0;
+      padding-bottom: 0;
     }
 }