diff --git a/resources/css/ext.uls.mixins.less b/resources/css/ext.uls.mixins.less
index db770a0d..1e2d17ef 100644
--- a/resources/css/ext.uls.mixins.less
+++ b/resources/css/ext.uls.mixins.less
@@ -20,7 +20,7 @@
 		}
 		&:after {
 			/* @noflip */
-			border-left: 10px solid #f8f9fa;
+			border-left: 10px solid #fff;
 			/* @noflip */
 			right: -10px;
 		}
@@ -34,7 +34,7 @@
 		}
 		&:after {
 			/* @noflip */
-			border-right: 10px solid #f8f9fa;
+			border-right: 10px solid #fff;
 			/* @noflip */
 			left: -10px;
 		}