html{
    background-color:lightgray;
}
body{
    max-width: 1000pt;
    margin: 1ch auto;
    background-color: white;
    font-family: Arial, Helvetica, sans-serif;
}
#page-wrapper{
    padding:1ch;
}
nav,footer ul{
    padding:1ch;
    display:flex;
    column-gap:1ch;
    flex-wrap: wrap;
}
nav a,
footer ul li
{
    display:block;
    padding:1ch;
    flex:0;
    text-decoration:none;
    background-color:aliceblue;
    white-space: nowrap;
    text-transform: uppercase;
}
footer ul li a{text-decoration:none;}