.se-effect-item {
    position: fixed;
    top: -50px;
    z-index: 9999;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
    pointer-events: none;
    opacity: 0.9;
    animation-name: se-fall;
    animation-timing-function: linear;
}

@keyframes se-fall {
    0% {
        transform: translate3d(0, -10vh, 0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.9;
    }
    100% {
        transform: translate3d(0, 110vh, 0) rotate(360deg);
        opacity: 0;
    }
}