.yx_ScrollBox {
    position: absolute;
    left: 50%;
    bottom: 10%;
    transform: translateX(-50%);
    display: inline-block;
    width: auto;
    z-index: 3;
}

.scroll-icon {
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    height: 38px;
    width: 24px;
    font-size: 22px;
    color: rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    border: solid 2px;
    -webkit-transition: .4s;
    transition: .4s;
    margin: 0 auto;
    -webkit-animation: scroll-icon 2.2s infinite cubic-bezier(0.65, 0.05, 0.36, 1);
    animation: scroll-icon 2.2s infinite cubic-bezier(0.65, 0.05, 0.36, 1);
}

.scroll-icon::after {
    content: '';
    width: 3px;
    height: 6px;
    background-color: #fff;
    border-radius: 3px;
    -webkit-animation: scroll-icon2 2.2s infinite cubic-bezier(0.65, 0.05, 0.36, 1);
    animation: scroll-icon2 2.2s infinite cubic-bezier(0.65, 0.05, 0.36, 1);
}

@keyframes scroll-icon {
    0% {
        -webkit-transform: translateY(-12px);
        transform: translateY(-12px);
        opacity: 0;
    }

    30%, 70% {
        opacity: 1;
    }

    100% {
        -webkit-transform: translateY(12px);
        transform: translateY(12px);
        opacity: 0;
    }
}

@keyframes scroll-icon2 {
    0% {
        -webkit-transform: translateY(-5px);
        transform: translateY(-5px);
        opacity: 0;
    }

    30%, 70% {
        opacity: 1;
    }

    100% {
        -webkit-transform: translateY(3px);
        transform: translateY(3px);
        opacity: 0;
    }
}