.rocket-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 100;
}

.rocket {
    position: absolute;
    width: 40px;
    height: 40px;
    background: url('rocket.svg') no-repeat center center;
    background-size: contain;
    animation: fly 5s linear infinite;
    opacity: 0.8;
}

@keyframes fly {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}