update util

Author: nikahmadz

_sass/utilities.scss

@@ -66,14 +66,14 @@ a.reversefootnote:hover { text-decoration:none; }
   font-size:.83rem;
   position:absolute;position:fixed;
   bottom:6px;right:6px;left:auto;top:auto;
-  padding:.3rem .5rem;
+  padding:.2rem .4rem;
   box-shadow:0 0 4px #0007;
   border-radius:5px;
   color:inherit;
   text-decoration:none;
-  background:#fff;background:linear-gradient(0deg, rgb(221,221,221) 0%, rgb(243,243,243) 50%, rgb(255,255,255) 100%);
+  background:#fff;background:linear-gradient(0deg, #ddd 0%, #f3f3f3 50%, #fff 100%);
 }
-._dark { #_credit { background:#000;background:linear-gradient(0deg, rgb(0,0,0) 0%, rgb(10,10,10) 50%, rgb(85,85,85) 100%); }}
+._dark { #_credit { background:#000;background:linear-gradient(0deg, #000 0%, #131313 50%, #333 100%); }}
 
 .hero-1 {