body { margin: 24px; line-height: 1.5; }
nav { margin-top: 32px; }
:focus-visible { outline: 3px solid #176470; outline-offset: 3px; }
table { border-collapse: collapse; margin-inline: auto; }
th, td { border: 1px solid black; padding: 8px; }
td { width: 200px; min-width: 200px; }
section { overflow-x: auto; }