Update custom.css

Author: irsaris

custom.css

@@ -24,6 +24,6 @@ a {
 
 hr {
   border: none;
-  border-top: 2px solid #eff0f1; /* or any color you want */
+  border-top: 2px solid #a7a7a8; /* or any color you want */
   margin: 2em 0;
-}
+}