body {
margin: 0;
padding:0;
font-family: Arial, sans-serif;
background: #f4f4f4;
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
}

.container {
background: white;
padding: 2rem;
border-radius: 12px;
box-shadow: 0 4px 10px rgba(0,0,0,0.1);
max-width: 90%;
width: 400px;
text-align: center;
}

audio {
width: 100%;
outline: none;
border-radius: 6px;
}