#main {
    display: grid;
    grid-template: repeat(2, 1fr) / repeat(4, 1fr);
    gap: var(--gap-big);
    height: 0;
    box-sizing: border-box;
}

#main > * {
    border-radius: var(--gap-big);
    text-align: center;
    align-content: center;
    margin: 0;
}