#scrollUp {
	bottom: 20px;
	right: 20px;
	width: 40px;
	height: 40px;
    background-color:#000;
    border-radius:4px;
    text-align:center;
    line-height:35px;
    opacity:0.8;
    color:#ccc;
}
#scrollUp:before {
    content: "\e113";
    display: inline-block;
    vertical-align: middle;
    font: 14px/18px 'Glyphicons Halflings', Arial, sans-serif;
    color: #ccc;
}
@media (min-width: 768px) {
    #scrollUp {
        opacity: 0;
    }
}
@media (max-width: 767px) {
    #scrollUp {
        opacity: 0.8;
    }
}