.md-wrap{max-width:1100px;margin:auto}
#md-search{width:100%;padding:12px;border:1px solid #ddd;border-radius:6px}
.md-letters{display:flex;flex-wrap:wrap;gap:6px;margin:15px 0}
.md-letter{border:1px solid #ddd;background:#fff;padding:8px 12px;cursor:pointer}
.md-item{display:block;padding:10px;border-bottom:1px solid #eee;text-decoration:none}