/* body {
    background-color:black
    ;
    color: white
    ;

    font-family: sans-serif;
    font-size:18 px;
    line-height: 1.5
        ;
}

.site {
    margin: 0 auto;
    max-width: 500
        px;


}

.center {
    text-align: center;
}
*/

.icon {
    margin-top: -25px;
    animation: upAndDown 1.5s infinite alternate;
}

@keyframes upAndDown {
    100% {
        transform: translateY(50px);
    }
}