diff --git a/modules/system/defaults.css b/modules/system/defaults.css
index c708c3192409177c318642c4180169662292f3d3..7e97e881bd00793d4126bdf0895cdcec22cabdcc 100644
--- a/modules/system/defaults.css
+++ b/modules/system/defaults.css
@@ -43,9 +43,11 @@ th {
   display: inline-block;
 }
 
+/* Hides from IE-mac \*/
 * html .clear-block {
   height: 1%;
 }
 .clear-block {
   display: block;
 }
+/* End hide from IE-mac */