@keyframes float {
    0% {
        box-shadow: 0 5px 15px 0px rgba(0,0,0,0.6);
        transform: translatey(0px);
    }
    50% {
        box-shadow: 0 25px 15px 0px rgba(0,0,0,0.2);
        transform: translatey(-20px);
    }
    100% {
        box-shadow: 0 5px 15px 0px rgba(0,0,0,0.6);
        transform: translatey(0px);
    }
}

.avatar {
    box-sizing: border-box;
    /*border: 3px white solid;*/
    border-radius: 5%;
    overflow: hidden;
    box-shadow: 0 5px 15px 0px rgba(0,0,0,0.6);
    transform: translatey(0px);
    animation: float 6s ease-in-out infinite;
}