body {
    margin:0 auto 0 auto!important;
    width:1000px;
    overflow:hidden;
}

nav {
    padding:10px 0 10px 0;
    display:flex;
    gap:20px;
    border-top:1px solid black;
    border-bottom:1px solid black;
}

main {
    height:initial!important;
}

section {
    overflow:hidden;
}