Enable hotkeys for HTML5 playback: video screenshot; enable/disable picture-in-picture; copy cached video; send any video to full screen or browser window size; fast forward, rewind, pause/play, volume, skip to next video, skip to previous or next frame, set playback speed. Video sites supported: YouTube, TED, Youku, QQ.com, bilibili, ixigua, iQiyi, support mainstream video sites in mainland China; Live broadcasts: Twitch, Douyu.com, YY.com, Huya.com. Custom sites can be added
更改字幕大小
我在coursera上看视频, 但是字幕太大了, 可以使用video::-webkit-media-text-track-display {font-size: 50%;}手动改字幕大小, 但每个视频都要弄一次, 可以在这个脚本里添加一个改字幕大小的功能吗? 谢谢.