Merge branch 'dev-codeblocks' into src. Refs #21.

Issue won't be closed yet, as there are still improvements to be made in the
colouring.

Author: fdedden

haskell.css

@@ -1,11 +1,15 @@
 .language-haskell mark.comment {
-  color: cyan;
+  color: grey;
 }
 
 .language-haskell mark.string {
   color: orangered;
 }
 
 .language-haskell mark.literal {
-  color: greenyellow;
+  color: darkgreen;
+}
+
+.language-haskell mark.keyword {
+  color: blue;
 }

home.css

@@ -21,3 +21,7 @@
   color:      white;
   padding:    .5em;
 }
+
+#panel .language-haskell mark.literal {
+  color: greenyellow;
+}

style.css

@@ -91,6 +91,14 @@ code {
   font-family: monospace;
 }
 
+pre {
+  border:       0;
+  border-style: solid;
+  border-width: 0 0 0 5px;
+  border-color: #9775AA;
+  padding:      .5em;
+}
+
 #page {
   background: white;
   box-shadow: 0 0 .5em lightgrey;