.snake_pixel {
    aspect-ratio: 1/1;
    box-sizing: border-box;
    background: white;
    margin: 0;
    opacity: 0;
}

@keyframes opacityLoop {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 0.8;
    }

    100% {
        opacity: 0;
    }
}

.snake_bg {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    position: absolute;
    align-content: flex-start;
}