.t6-video-cover{margin:20px 0;padding:18px;border:1px solid #d8dce2;border-radius:6px;background:#f8fafc;font:14px/1.5 Arial,sans-serif}.t6-video-cover h3{font-size:17px;margin:0 0 8px}.t6-video-cover p{margin:8px 0}.t6-video-cover button{min-height:44px;padding:10px 16px;border:1px solid #3090f6;border-radius:5px;background:#fff;color:#195da6;cursor:pointer;font:inherit}.t6-video-cover button:disabled{opacity:.55;cursor:default}.t6-video-cover button:focus-visible{outline:3px solid #3090f6;outline-offset:3px}.t6-video-cover-preview{margin-top:14px}.t6-video-cover-preview img{display:block;width:100%;max-width:640px;max-height:360px;object-fit:contain;border-radius:4px;background:#e9edf2}