@media (max-width: 40em) { .to_top { display: none; }}
@media (min-width: 40em) {
#to_top {
background: url(/media/unici/to_top.png) no-repeat 0 0;
width: 100px;
height: 100px;
overflow: hidden;
display: none;
position: fixed;
right: 1%;
bottom: 5%;
z-index: 999;
}
#to_top:hover {
background: url(/media/unici/to_top_over.png) no-repeat 0 0;
}
}