.hidden{visibility: hidden;} body{background:#ffebcd;} h1.title{text-align:center;} audio{width:50%; padding-top:20px; padding-bottom:20px; } button{ font-size:20px; margin-right:30px; line-height:40px; } .play{ margin:20px; font-size:20px; line-height:50px; border-radius:50%; width:15%; } .poze{ margin-left:30px; font-size:20px; line-height:50px; border-radius:50%; width:15%; } input{ font-size:20px; line-height:50px; width:30%; }