diff --git a/docs/mesa.css b/docs/mesa.css
index cfdcc94a067..1773dca66a5 100644
--- a/docs/mesa.css
+++ b/docs/mesa.css
@@ -35,32 +35,32 @@ pre {
 }
 
 iframe {
-  width: 19em;
-  height: 80em;
-  border: none;
-  float: left;
+	width: 19em;
+	height: 80em;
+	border: none;
+	float: left;
 }
 
 .content {
-  position: absolute;
-  left: 20em;
-  right: 10px;
-  overflow: hidden
+	position: absolute;
+	left: 20em;
+	right: 10px;
+	overflow: hidden
 }
 
 .header {
-  background: black url('gears.png') 15px no-repeat;
-  margin:0;
-  padding: 5px;
-  clear:both;
+	background: black url('gears.png') 15px no-repeat;
+	margin:0;
+	padding: 5px;
+	clear:both;
 }
 
 .header h1 {
-  background: url('gears.png') right no-repeat;
-  color: white;
-  font: x-large sans-serif;
-  text-align: center;
-  height: 50px;
-  margin: 0;
-  padding-top: 30px;
+	background: url('gears.png') right no-repeat;
+	color: white;
+	font: x-large sans-serif;
+	text-align: center;
+	height: 50px;
+	margin: 0;
+	padding-top: 30px;
 }