fix <a> in the footer

this had the bad effect of making all links/buttons disapper
when clicked

django/allgo/static/css/allgo.css

@@ -125,7 +125,7 @@ a {
     color: #d2d1d1;
     text-decoration: none;
 }
-.footer a:hover, a:focus {
+.footer a:hover, .footer a:focus {
     text-decoration: none;
     color: white;
 }