Audio and Video enhancement script, supports all H5 video websites, such as: Bilibili, Douyin, Tencent Video, Youku, iQiyi, Xigua Video, YouTube, Weibo Video, Zhihu Video, Sohu Video, NetEase Open Course, Baidu network disk, Alibaba cloud disk, ted, instagram, twitter, etc. Full shortcut key control, support: double-speed playback/accelerated playback, video screenshots, picture-in-picture, full-screen web pages, adjusting brightness, saturation, contrast
部分视频全屏播放时，使用快捷键后【左上角的文字提示】超出了画面范围无法显示；另外【左上角的文字提示】字号太小。
建议：添加自定义左上角文字提示的位置与字号的功能。