diff --git a/src/css/math.less b/src/css/math.less
index dac9d1f..389058c 100644
--- a/src/css/math.less
+++ b/src/css/math.less
@@ -310,7 +310,10 @@
     text-align: center;
     line-height: .95em;
     margin-bottom: -.7em;
-    transform:scale(1.5,1);
+    transform: scaleX(1.5);
+    -moz-transform: scaleX(1.5);
+    -o-transform: scaleX(1.5);
+    -webkit-transform: scaleX(1.5);
   }
 
   .mq-hat-stem {