.mousey {
    width: 12px;
    padding-left: 5px;
    padding-top: 5px;
    height: 30px;
    border-radius: 25px;
    border: 2px solid #fff;
    box-sizing: content-box;
    margin:0 auto;
}

.scroller {
    width: 8px;
    height: 8px;
    border-radius: 8px;
    background-color: #fff;
    animation-name: scroll;
    animation-duration: 2.2s;
    animation-timing-function: cubic-bezier(.15, .41, .69, .94);
    animation-iteration-count: infinite;
}

@keyframes scroll {
    0% {
        opacity: 0;
    }
    10% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(15px);
        opacity: 0;
    }
}

    @keyframes downup {
        0% {
            opacity: 0;
            transform: translateY(0, 100px);
        }
        100% {
            opacity: 1;
            transform: translate(0, 0);
        }
    }

    @keyframes bounce {
        from, to {
            margin-bottom: 0;
            animation-timing-function: ease-out;
        }
        50% {
            margin-bottom: 8px;
            animation-timing-function: ease-in;
        }
    }