diff --git a/core/themes/bartik/css/style.css b/core/themes/bartik/css/style.css
index 61ec1d3..a8c7049 100644
--- a/core/themes/bartik/css/style.css
+++ b/core/themes/bartik/css/style.css
@@ -1951,7 +1951,7 @@ div.admin-panel .description {
 }

 .views-view-grid .view-mode-teaser {
-  border-bottom: 0 none;
+  border-bottom: 0;
   margin: 0;
   padding: 0;
 }
@@ -1975,7 +1975,7 @@ div.admin-panel .description {
 }

 .views-view-grid.horizontal .views-row:last-child {
-  border-bottom: 0 none;
+  border-bottom: 0;
   margin-bottom: 0;
   padding-bottom: 0;
 }
@@ -1988,7 +1988,7 @@ div.admin-panel .description {
 }

 .views-view-grid.vertical .views-col:last-child {
-  border-right: 0 none;
+  border-right: 0;
 }

 .views-view-grid.vertical .views-row {
@@ -2017,7 +2017,7 @@ div.admin-panel .description {
   .views-view-grid.horizontal .views-row,
   .views-view-grid.vertical .views-col,
   .views-view-grid.vertical .views-row {
-    border: 0 none;
+    border: 0;
     float: none;
     margin: 0;
     padding: 0;