@keyframes konami-traverse {
    0% {
        transform: translate(100%, 100%);
        opacity: 0;
    }
    10% {
        transform: translate(0, 0);
        opacity: 1;
    }
    89% {
        opacity: 1;
    }
    90% {
        transform: translate(-100vw, 0);
        opacity: 0;
    }
    99% {
        opacity: 0;
    }
    100% {
        transform: translate(-150%, 0);
        opacity: 0;
    }
}

.konami-animation {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 150px;
    height: auto;
    z-index: 9999;
    animation: konami-traverse 5s ease-in-out forwards;
    pointer-events: none;
}