.s-icon:before {
    display: block;
    font-size: 30px;
}

.s-icon-big-40px:before {
    display: block !important;
    font-size: 40px !important;
}

.s-icon-big-35px:before {
    display: block !important;
    font-size: 35px !important;
}

.s-icon-big-30px:before {
    display: block !important;
    font-size: 30px !important;
}

.s-icon-small:before {
    display: block !important;
    font-size: 20px !important;
}

.s-icon-25px:before {
    display: block !important;
    font-size: 25px !important;
}

.s-icon-big:before {
    display: block !important;
    font-size: 45px !important;
}