fix IE gradients and remove old letter-spacing on h2

webroot/css/base.css

@@ -11,7 +11,6 @@ h1 {
 h2 {
 	font-size:200%;
 	margin-bottom:10px;
-	letter-spacing:-1px;
 }
 h2.ribbon {
 	padding: 15px 30px;

webroot/css/themes/light.css

@@ -3,7 +3,7 @@ body {
 	background: #ddd;
 	background: -moz-linear-gradient(top,  #fff, #ddd 500px,  #ddd);
 	background: -webkit-linear-gradient(top, #fff, #ddd 500px, #ddd);
-	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff', endColorstr='#ddd');
+	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#dddddd');
 }
 nav a, nav a:visited {
 	color: #222;	
@@ -17,7 +17,7 @@ h2.ribbon {
 	background: #359;
 	background: -moz-linear-gradient(top,  #37f,  #359);
 	background: -webkit-linear-gradient(top, #37f, #359);
-	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#37f', endColorstr='#359');
+	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#3377ff', endColorstr='#335599');
 	color: #eee;
 }
 .triangle-ribbon {
@@ -29,14 +29,14 @@ a.gradient {
 	background: #359;
 	background: -moz-linear-gradient(top,  #37f,  #359);
 	background: -webkit-linear-gradient(top, #37f, #359);
-	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#37f', endColorstr='#359');
+	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#3377ff', endColorstr='#335599');
 	color: #eee;
 }
 a.gradient:hover {
 	background: #37f;
 	background: -moz-linear-gradient(top,  #39f,  #06a);
 	background: -webkit-linear-gradient(top, #39f, #06a);
-	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#39f', endColorstr='#06a');
+	filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#3399ff', endColorstr='#0066aa');
 	color: #fff;
 }