#rtscrolltop{ 
height: 40px; 
width: 40px; 
position:fixed;
bottom:50px;
right:50px;
text-indent:-9999px;
display:none;
background: url(//www.liverpoolglass.com.au/wp-content/plugins/rt-scroll-top/lib/icon_top.png); 
-webkit-transition-duration: 0.1s; 
-moz-transition-duration: 0.1s; 
transition-duration: 0.1s; 
}