x5-video-player-type='h5' webkit-playsinline 理想全屏
webkit-playsinline//允许小屏幕播放
/*去掉全屏按钮*/ video::-webkit-media-controls-fullscreen-button { display: none; }
去掉ipad与iphone的异同 webkit-playsinline
x5-video-orientation横竖屏方向