Added some rules that affect those little "See also:" sections.

Doc/html/style.css

@@ -46,6 +46,17 @@ var			{ font: italic normal serif }
 .url			{ font-family: avantgarde, sans-serif }
 .file			{ font-family: avantgarge, sans-serif }
 
+/*
+ * Some decoration for the "See also:" blocks, in part inspired by some of
+ * the styling on Lars Marius Garshol's XSA pages.
+ * (The blue in the navigation bars is #99CCFF.)
+ */
+.seealso		{ background-color: floralwhite;
+                          border: thin solid black;
+                          padding: 4pt }
+
+.seealso .heading	{ font-size: 110% }
+
 /*
  * Class 'availability' is used for module availability statements at
  * the top of modules.  Otherwise, rely on context for platform specifiers