.box {
    max-width:1000px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 50px;
    display: grid;
    grid-gap: 15px;
    grid-template-columns: 150px;

}



header, nav, main, footer {
    border: black 2px solid;

}

header {
    grid-row: 1 / 2 ;
    grid-column: 1 / 3 ;
    display:flex ;
    align-items: center ;
    justify-content: center ;
    padding: 10px ;
    font-size: 2.5em ;
}

nav {
    grid-row: 2 / 3 ;
    grid-column: 1 / 2;
    height: max-content ;
    display: flex ;
    align-items: left ;
    justify-content: left ;
    padding: 0px ;
    font-size: 1em ;
}

main {
    grid-row: 2 / 3;
    grid-column: 2 / 3 ;
    height: max-content ;
    display:flex ;
    align-items: left ;
    justify-content: left ;
    padding: 10px ;
    font-size: 1em ;

}

footer {
    grid-row: 3 / 4 ;
    grid-column: 1 / 3 ;
    display:flex ;
    align-items: center ;
    justify-content: center ;
    padding: 10px ;
    font-size: 1em ;
}

nav ul {
    list-style-type: none ;
    padding-left: 5% ;
    line-height: 60px ;
    font-size: 20px;
}

nav a {
    text-decoration: none ;
    color: black;
    display: block;
    
}