Revamp build revisions

- And technically, actually fix them so they're inserted properly. Kinda don't like how they look, but it's good enough for the moment.

_sass/main.scss

@@ -333,4 +333,13 @@ article {
   border: solid white;
   border-width: thin 0;
   padding: 10px;
+}
+
+
+.build-revision {
+  font-family: CMU Typewriter Text, sans-serif;
+  a {
+    color: #d2d2d2;
+    text-decoration: none;
+  }
 }