Missed some spots.

cat-v.org/style.css

@@ -33,3 +33,7 @@ input {
   color: #eee;
   border: 1px solid #666;
 }
+
+.highlight {
+  background: #444;
+}

unixsheikh.com/style.css

@@ -29,17 +29,29 @@ pre {
 .info-yellow {
   color: #fff3cd;
   background-color: #59402D;
-  border-color: #c9ba9b;
 }
 
 .info-blue {
   color: #cce5ff;
   background-color: #004085;
-  border-color: #b8daff;
 }
 
 .info-green {
   color: #d4edda;
   background-color: #155724;
-  border-color: #c3e6cb;
+}
+
+pre, pre.no-style {
+  background-color: #111;
+  color: #eee;
+}
+
+.info-red {
+  color: #f8d7da;
+  background-color: #721c24;
+}
+
+.info-grey {
+  color: #e2e3e5;
+  background-color: #555555;
 }