/* Backtotop extension, https://github.com/GiovanniSalmeri/yellow-backtotop */

a#backtotop {
    /* background-color: #0ff; */
	display:block;width:50px;text-align:center;text-transform:uppercase;transition:0.5s;opacity:0.4;
	background:transparent url('back_to_top.png') no-repeat center center;border-radius:15px;opacity:0.2;
    color: #607380;
    font-weight: normal;
    padding: 5px 5px;
    text-decoration: none;
    position: fixed;
    z-index: 9999;
    bottom: 20px;
    right: 1.5%; /* 30px; */
    /* opacity: 0; */
    visibility: hidden;
    transition: opacity 500ms, visibility 500ms;
    -webkit-transition: opacity 500ms, visibility 500ms;
    --screens: 1; } /*  vertical scroll before the link appears */
a#backtotop:hover{opacity:0.8;color:#0093dd;text-decoration:none;box-shadow: 0 0 5px rgba(0, 200, 200, 0.6);}