Reworked CSS

- Split into 4 files referenced by the first
- Using MLFE and page-wide color definitions
- Improved consistency and reduced markup complexity
- Hinted more user actions
- Improved visual parsability of tables and logs
- Improved visibility of counter units
- TODO:
  - Add text selection to important fields
  - Improve button placement
  - Reindent templates

tmpl/navbar.tmpl

@@ -1,7 +1,7 @@
 {{define "navbar"}}
-<ul class="navbar">
-  <li><a href="/">Morffix</a></li>
-  <li><a href="/libraries">Libraries</a></li>
-  <li><a href="/tasks">Tasks</a></li>
-</ul>
+<nav>
+  <a class="button" href="/">Morffix</a>
+  <a class="button" href="/libraries">Libraries</a>
+  <a class="button" href="/tasks">Tasks</a>
+</nav>
 {{end}}