.box {
max-width: 1000px
margin 100px 200px 300px 700px;
display: grid;
grid-gap: 20px;
grid-template-columns: 250px auto;

}

h1,h2,h3,h4,h5{color: antiquewhite;}

body{
    background-image: url("Alt\ Wallpaper.png");
    background-size: cover;
    height: 100vh;
    background-position: center;
}

header,nav, main, footer {
    border: rgb(240, 182, 240) 2px solid;   
}

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

nav {
    grid-row:2 / 3 ;
    grid-column:1 / 2 ;
    height: max-content;
    background-image:url("rainbow\ GIF.gif");
    background-size: cover;
    background-position: auto
}

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

footer {
    grid-row: 3 / 4 ;
    grid-column: 2 / 3 ;
}