diff --git a/blueprint/screen.css b/blueprint/screen.css
index fe68de6e..4b9c8511 100644
--- a/blueprint/screen.css
+++ b/blueprint/screen.css
@@ -205,6 +205,7 @@ input.span-24, textarea.span-24 {width:938px;}
 .prepend-23 {padding-left:920px;}
 .border {padding-right:4px;margin-right:5px;border-right:1px solid #ddd;}
 .colborder {padding-right:24px;margin-right:25px;border-right:1px solid #ddd;}
+.colborderleft {padding-left:20px;margin-left:19px;border-left:1px solid #ddd;}
 .pull-1 {margin-left:-40px;}
 .pull-2 {margin-left:-80px;}
 .pull-3 {margin-left:-120px;}