audio-recorder button{float:left;border-radius:50%;width:150px;height:150px;font-size:2.5em;border:none;background-color:red;color:#fff}@media only screen and (max-width:620px){audio-recorder button{float:unset;margin-left:auto;margin-right:auto}}audio-recorder button.restart{width:auto;background-color:transparent;color:#ccc;margin-left:20px;font-size:30px}audio-recorder>div{display:inline-block}