diff --git a/haxe/ui/_module/styles/default/rules.css b/haxe/ui/_module/styles/default/rules.css
index e4f8095c6..bedefce53 100644
--- a/haxe/ui/_module/styles/default/rules.css
+++ b/haxe/ui/_module/styles/default/rules.css
@@ -12,7 +12,6 @@
 }
 
 .vertical-rule {
-    height: 100%;
     width: 1px;
     vertical-align: "center";
 }
\ No newline at end of file