body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 100%;
    line-height: 1.4em;
    
}

p {
    text-indent: 1em;
}

ul.top-nav {
    list-style: none;
    padding-left: 0%;
}

ul.top-nav li {
    outline: 1px dotted gray;, 
    width: 25%;
    display: inline-block;
    padding: .5em;
    margin: .5em;
}