.material-scrolltop {
    display: block;
    position: fixed;
    width: 0;
    height: 0;
    bottom: 20%;
    right: 5px;
    padding: 0;
    overflow: hidden;
    outline: none;
    border: none;
    background: none;
    cursor: pointer;
    /*transform: rotate(270deg);
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    -ms-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    -moz-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    -o-transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);
    transition: all 0.3s cubic-bezier(0.25, 0.25, 0, 1);*/
}

    .material-scrolltop:hover {
        text-decoration: none;
    }

    .material-scrolltop::before {
        position: absolute;
        top: 50%;
        left: 50%;
        /*-webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);*/
        content: "";
        width: 0;
    }

    .material-scrolltop:active::before {
        width: 120%;
        padding-top: 120%;
        -webkit-transition: all 0.2s ease-out;
        -ms-transition: all 0.2s ease-out;
        -moz-transition: all 0.2s ease-out;
        -o-transition: all 0.2s ease-out;
        transition: all 0.2s ease-out;
    }

@media (min-width: 1200px) {
    .material-scrolltop.reveal {
        width: auto;
        height: auto;
    }
}

.material-scrolltop span {
    display: block;
    font-size: 25px;
    color: #fff;
}