.ctl-scroll-top-scroll-button{
    position: fixed;    
    cursor: pointer;
    z-index: 1035;
    opacity: 0;
    display: block;
    visibility: hidden;
}

.ctl-scroll-top-fade-in{
    visibility: visible;
    opacity: 1;
}

.noscroll .ctl-scroll-top-fade-in{
    opacity: 0;
    visibility: hidden; 
}

.ctl-scroll-top-scroll-button i{
    position: relative;
    display: block;    
}

.ctl-scroll-top-scroll-button i:before{
    margin: 0px;
    position: absolute;
    
    top: 50%;
    left: 50%;
    
    transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);  
}