Highlight code tags on wiki pages

Puts a light orange tint onto the background of code tags to visually
distinguish them from other text. This is hoped to reduce ambiguity of
where commands begin and end.

wiki/wiki.tmpl

@@ -16,7 +16,8 @@
 		<title>$if(title-prefix)$$title-prefix$ – $endif$$pagetitle$</title>
                 <link rel="stylesheet" href="../style.css">
 		<style type="text/css">
-code{white-space: pre-wrap;}
+code{background: rgba(255, 187, 85, 0.15);padding: 0.1em 0.2em;border-radius: 0.3em;white-space: pre-wrap;}
+pre code{background: none;}
 span.smallcaps{font-variant: small-caps;}
 span.underline{text-decoration: underline;}
 div.column{display: inline-block; vertical-align: top; width: 50%;}