body { margin:40px auto; max-width:650px; line-height:1.6; font-size:18px; color:#444; padding:0 10px; } h1,h2,h3 { line-height:1.2; } .navbar { display:flex; justify-content: space-around; } a { text-decoration: none; color: inherit; } a:hover { text-decoration: underline; }