use crisp-edges for page header

local.css

@@ -37,6 +37,7 @@ blockquote {
 }
 .pageheader {
 	background: left / contain no-repeat url("/xevv/images/header.png");
+	image-rendering: crisp-edges
 }
 a {color: #92ebf0}
 body {background-color: #0a0a0a; color: #eaeaea}