* {
    margin: 0;
    padding: 0;
}

body {
    background: #000;
    overflow: hidden;
    height: 100vh;
}

span {
    position: absolute;
    background: url('heart.png');
    pointer-events: none;
    width: 100px;
    height: 100px;
    background-size: cover;
    transform: translate(-50%,-50%);
    animation: animate 2s linear infinite;
}

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

    100% {
        transform: translate(-50%,-1000%);
        opacity: 0;
        filter: hue-rotate(720deg);
    }
}