<p>/*Back to top*/
/*Initial wp-smooth-scroll id style without any position*/
#wp-smooth-scroll
{
 opacity: .8;
 cursor: pointer; 
 background-image: url('../images/wp-smooth-scroll.png');
 background-position: 66px 55px;
 height: 55px; 
 width: 66px;
 outline: 0;
 visibility:visible;
 z-index:9999;
}
/*wp-smooth-scroll id hover effect*/
#wp-smooth-scroll:hover
{
 background-position: 0% 0%;
 opacity: 1.0;
}
/*All three positions*/
.leftbtt
{
 position: fixed; 
 bottom: 5px; 
 left: 5px;
}
.midbtt
{
 position: fixed; 
 bottom: 5px;  
 left: 48%;
}
.rightbtt
{
 position: fixed; 
 bottom: 5px;  
 right: 5px;
}
/*Hide wp-smooth-scroll in smaller screen*/
@media only screen and (max-width: 640px) {
 #wp-smooth-scroll{
 display: none; 
 }
}</p>