body{ margin:0; padding:0 } button{ border:none; border-radius:2px; padding:12px 18px; font-size:16px; text-transform:uppercase; cursor:pointer; color:#fff; background-color:#2196f3; box-shadow:0 0 4px #999; outline:none } pre{ white-space:pre-line } .column { flex-grow: 1; } #icon{ max-width:45px; height:auto; border-radius:50% }