.bread{
    animation-name: breading;
    animation-duration: 20s;
    animation-iteration-count: 1;
    animation-timing-function: ease-in-out;
    max-width: 100%;
    max-height: 100%;
    margin-left: auto;
    margin-right: auto;
    display: block;
}
body{
    width: 100vw;
    height: 100vh;
    margin: auto;
    padding: 0;
}
@keyframes breading{
    from{
        width: 100%;
    }
    to{
        width: 0.001%;
    }
}