.sheet-music-group > td { padding: 0; }
.sheet-music-group summary { cursor: pointer; padding: 14px 12px; color: #06294c; }
.sheet-music-group summary:focus-visible { outline: 3px solid #3976ad; outline-offset: -3px; }
.music-group-title { font-weight: 600; }
.music-group-meta, .music-group-count { display: block; margin: 4px 0 0 20px; font-size: .86em; }
.music-group-meta { color: #555; }
.music-group-count { color: #245c88; }
.music-group-action::after { content: " — expand"; }
.sheet-music-group details[open] .music-group-action::after { content: " — collapse"; }
.sheet-music-group details[open] { background: #f5f8fb; }
.music-group-submenu { padding: 0 12px 12px 26px; overflow-x: auto; }
.music-group-submenu table { background: white; min-width: 480px; }
.music-group-submenu th { font-size: .86em; }
@media (max-width: 600px) { .music-group-submenu { padding-left: 8px; padding-right: 8px; } }