.live-video-mini { position: fixed; right: 10px; bottom: 10px; width: 260px; z-index: 9999; background: #000; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.3); } @media (max-width: 240px) { .live-video-mini { width: 90px; } }