Orange elements are now black

static/css/gh-fork-ribbon.css

   padding: 2px 0;
 
   /* Set the base colour */
-  background-color: #FF9900;
+  background-color: black; /* #FF9900; */
 
   /* Set a gradient: transparent black at the top to almost-transparent black at the bottom */
   background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0.00)), to(rgba(0, 0, 0, 0.15)));
   -moz-transform: rotate(-45deg);
   -o-transform: rotate(-45deg);
   transform: rotate(-45deg);
-}
+}

static/css/style.css

 #nav {
     border-bottom-style: solid;
     border-bottom-width: 2px;
-    border-bottom-color: orange;
+    border-bottom-color: black; /* orange; */
     background-color: white;
     width: 100%;
 }
     margin: 1em;
     border-style: solid;
     border-width: 2px;
-    border-color: orange;
+    border-color: black; /* orange; */
     border-radius: 10px;
 }