*,:after,:before{box-sizing:border-box}body{align-items:center;color:#333;display:-webkit-flex;display:-ms-flexbox;display:flex;flex-direction:column;font-family:sans-serif;font-size:1rem;height:100vh;justify-content:center;line-height:1.5;margin:0;padding:0}.wallpaper{border:3px solid #333;max-width:500px;width:100%}.controls td{padding:5px}