.container {
    max-width: 1000px;
    margin: 50px auto;
    display: grid;
    grid-template-columns: 250px auto;
    grid-gap: 10px

}

header, nav, main, footer {
    border: darksalmon 10px solid;
}

header {
    grid-row: 1 / 2;
    grid-column: 1 / 3;
}

nav {
    grid-row: 2 / 3;
    grid-column: 1 / 2;
    height: max-content;
}

main {
    grid-row: 2 / 3;
    grid-column: 2 / 3;
    height: max-content;
}

footer {
    grid-row: 3 / 4;
    grid-column: 1 / 3;
}