.page {
    max-width: 992px;
}

header {
    max-width: 60%;
    margin: 0 auto;
}

header > h1 {
    font-size: 2.3em;
}

main {
    display: grid;
    grid-template: 1fr 1fr 1fr 1fr/ 1fr 1fr 1fr;
}

main > article {
    max-width: 320px;
}

main > article:nth-child(1) {
    grid-row: 2/4;
    grid-column: 1;
}

main > article:nth-child(2) {
    grid-row: 1/3;
    grid-column: 2;
}

main > article:nth-child(3) {
    grid-row: 3/5;
    grid-column: 2;
}

main > article:nth-child(4) {
    grid-row: 2/4;
    grid-column: 3;
}