body{background-color:#000;color:azure;font-family:Helvetica,Lucida Sans Regular,Lucida Grande,Lucida Sans Unicode,Geneva,Verdana,sans-serif;display:flex;align-items:stretch;flex-direction:column;margin-left:auto;margin-right:auto}input{margin:.5em;padding:.3em;font-size:1em;border-radius:3px;height:20px}