Fixed 'return to top' button behavior.

It appeared too soon when scrolling and over the top of the login link.

Author: Darcy Branchini

css/site.css

@@ -238,6 +238,7 @@ ol.unstyled, ul.unstyled {
 .btn-default:hover, #return-to-top:hover {
     background: rgba(102, 102, 102, 0.5);
     color: #fff;
+    text-decoration: none;
 }
 #return-to-top {
     position: fixed;

js/return-to-top.js

@@ -2,7 +2,7 @@
 
 jQuery(function( $ ){
   $(window).scroll(function() {
-      if ($(this).scrollTop() >= 200) {        // If page is scrolled more than 50px
+      if ($(this).scrollTop() >= 300) {        // If page is scrolled more than 50px
           $('#return-to-top').fadeIn(200);    // Fade in the arrow
       } else {
           $('#return-to-top').fadeOut(200);   // Else fade out the arrow