#lessonVideo h3{font-size:18px;margin:0 0 14px}#lessonVideo .video-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}#lessonVideo .video-tabs button{background:#f3f6f7;border:1px solid #e0e7e9;border-radius:10px;color:#48646d;padding:11px 16px;font-size:14px;font-weight:600;line-height:1.5}#lessonVideo .video-tabs button[aria-pressed="true"]{background:#eaf4f0;color:#185c4d;border-color:#83b6a8;box-shadow:inset 0 -2px #3f8b75}#lessonVideo .lesson-video-frame{display:block;width:100%;border:0;background:#fff}#lessonVideo .video-open{display:inline-block;margin-top:10px;font-size:14px;color:#426a71;text-decoration:none}#lessonVideo .video-open:hover{text-decoration:underline}@media(max-width:560px){#lessonVideo .video-tabs{display:grid;grid-template-columns:1fr}#lessonVideo .video-tabs button{text-align:left}}