Tweak footer style to match header

i2p2www/static/styles/duck/default.css

@@ -468,11 +468,10 @@ pre.literal-block {
 
 #global-footer {
     width: auto;
-    border-top: 3px solid #883333;
-    background: #552222;
+    border-top: 2px solid #abcc71;
+    background: transparent;
     font-size: 0.75rem;
     padding: 1em 10%;
-    background: -moz-linear-gradient(#883333, #772222);
 }
 
 #global-footer .aside {
@@ -482,9 +481,7 @@ pre.literal-block {
 }
 
 #global-footer .aside h1 {
-    color: #ffdd88;
     font-size: 1.2em;
-    text-shadow: -1px -1px 1px rgba(0,0,0,.2);
     border-bottom: 1px solid #ccaa66;
     margin: 1em 0;
     line-height: 1.3em;