cant press play

hi , i have been able to embed this plugin on my site but it wont respond when i press play. the video plays when i tick the auto play though . but i dont want it that way. i want my users to be able to control the player.

my site is http://www.startrendsgh.com and the player is on the left button .

thank you.

https://ww.wp.xz.cn/plugins/videojs-html5-video-player-for-wordpress/