diff --git a/custom.css b/custom.css
deleted file mode 100644
index 8e0b705..0000000
--- a/custom.css
+++ /dev/null
@@ -1,25 +0,0 @@
-
-.docblock pre.rust { background: #eeeeff; }
-pre.trait, pre.fn, pre.struct, pre.enum, pre.typedef { background: #fcfefc; }
-
-/* Small “example” label for doc examples */
-.docblock pre.rust::before {
-    content: "example";
-    float: right;
-    font-style: italic;
-    font-size: 0.8em;
-    margin-top: -10px;
-    margin-right: -5px;
-}
-
-
-/* Fixup where display in trait listing */
-pre.trait .where::before {
-content: '\a         ';
-}
-
-.docblock code {
-    background-color: inherit;
-    font-weight: bold;
-    padding: 0 0.1em;
-}