.sbn-audio-player {
    margin: 24px 0;
    padding: 18px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.sbn-audio-element {
    width: 100%;
}