header {
    background-color: antiquewhite;
    padding: 20px;
}

nav {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    text-align: center;
    align-items: center;
}

main {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 250px;
    gap: 30px;
}

.long {
    grid-row: span 2;
}

main img {
    width: 100%;
    height: 100%;
}