span.pdf-icon::after {
    content: "";
    width: 14px;
    height: 14px;
    background-color: #ccc;
    display: inline-block;
    vertical-align: middle;
    background-image: url(/app-files/img/sprite/icon.svg#pdf-usage);
    margin-left: 10px;
}
@media print,screen and (min-width:768px){
span.pdf-icon::after {
    width: 20px;
    height: 20px;
}
}