body, html {
    background-image: url(https://static.vecteezy.com/ti/vecteur-libre/p1/8203832-psychedelique-tourbillon-groovy-affiche-psychedelique-retro-wave-wallpaper-liquide-groovy-background-vector-design-illustration-vectoriel.jpg);
    height: 100%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.container {
    max-width: 1000px;
    margin: 50px auto;
    display: grid;
    grid-gap: 20px;
    grid-template-columns: 250px minmax(0, 1fr);
    font-family: 'Times New Roman', Times, serif;
}

header {
    grid-row: 1 / 2;
    grid-column: 1 / 3;
    height: max-content;
    background-color: lightblue;
    border-radius: 10px;
    padding: 20px;
}

nav {
    grid-row: 2 / 3;
    grid-column: 1 / 2;
    height: max-content;
    background-color: lightblue;
    border-radius: 10px;
    padding: 20px;
}
main {
    grid-row: 2 / 3;
    grid-column: 2 / 3;
    height: max-content;
    background-color: lightblue;
    border-radius: 10px;
    padding: 20px;
}
footer {
    grid-row: 3 / 4;
    grid-column: 1 / 3;
    height: max-content;
    background-color: lightblue;
    border-radius: 10px;
    padding: 20px;
   
}