m3u-radio-music-playlists/stuff/style.css

body {
background:#222;
color:#ccc;
}
    
.container{
display: flex;
justify-content: center;
align-items: center;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}

audio {
width:640px;
height: 48px;
}