#msg{visibility:hidden;color:red;font-weight:700;font-size:22px;font-family:Verdana}button{padding:5px 10px;border:1px solid grey;font-size:18px;background:#fff}.audio-controls{display:flex;align-items:center;justify-content:center}canvas{background-color:#000}select{height:25px;margin:0 5px}a{margin-left:20px}