Improve printing style

- Allow wrapping in code blocks
- Use 100% width

assets/css/bobastyle.css

@@ -583,6 +583,12 @@ li.disabled > .page-link:hover {
 
   body {
     background-color: white;
+    max-width: 100%;
+  }
+
+  pre {
+    white-space: pre-wrap;
+    overflow-wrap: anywhere;
   }
 
   .table-of-contents {