.hearts-container {
    display: block;
    position: fixed;
    overflow: hidden;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    contain: layout paint;
}

.heart {
    will-change: transform;
    position: fixed;
    bottom: -10%;
    z-index: 15;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: default;
    animation-name: heart-fall, heart-shake;
    animation-duration: 14s, 5s;
    animation-timing-function: linear, ease-in-out;
    animation-iteration-count: infinite, infinite;
}



@keyframes heart-fall {
    0% {
        bottom: -10%;
    }

    100% {
        bottom: 110%;
    }
}

@keyframes heart-shake {

    0%,
    100% {
        transform: translateX(0)
    }

    50% {
        transform: translateX(80px)
    }
}