*{ 
  font-family:tahoma;
}
/* .testheight Not required - unless testing ;) */

.scrolltop {
    display:none;
    width:100%;
    margin:0 auto;
    position:fixed;
    bottom:20px;
    right:10px;    
}
.scroll {
    position:absolute;
    right:20px;
    bottom:20px;
    background:#b2b2b2;
    background:rgba(178,178,178,0.7);
    padding:20px;
    text-align: center;
    margin: 0 0 0 0;
    cursor:pointer;
    transition: 0.5s;
    -moz-transition: 0.5s;
    -webkit-transition: 0.5s;
    -o-transition: 0.5s;         
}
.scroll:hover {
    background:rgba(178,178,178,1.0);
    transition: 0.5s;
    -moz-transition: 0.5s;
    -webkit-transition: 0.5s;
    -o-transition: 0.5s;         
}
.scroll:hover .fa {
    padding-top:-10px;
}
.scroll .fa {
    font-size:30px;
    margin-top:-5px;
    margin-left:1px;
    transition: 0.5s;
    -moz-transition: 0.5s;
    -webkit-transition: 0.5s;
    -o-transition: 0.5s;     
}