body {
    margin: 0;
    height: 100vh;
    overflow: hidden;
    background-color: black;
}

span {
    background: url('https://cdn0.iconfinder.com/data/icons/expenses-vs-income/30/__beauty_health_cosmetics_heart-512.png');
    width: 100px;
    height: 100px;
    position: absolute;
    background-size: cover;
    transform: translate(-50%, -50%);
    animation: animate 10s infinite;
    pointer-events: none;
}

@keyframes animate {
    0% {
        transform: translate(-50%, -50%);
        opacity: 1;
        filter: hue-rotate(0);
    }
    100% {
        transform: translate(-50%, -5000%);
        opacity: 0;
        filter: hue-rotate(720deg);
    }
}