example video: https://www.dropbox.com/s/sgbku8d39jiewbq/safas.mp4

https://ckeditor.com/cke4/addon/html5video тут скачать

 тут добавить кнопку

 тут добавить ссылку на видео

11 hours ago, Zero108 said:

https://ckeditor.com/cke4/addon/html5video тут скачать

 тут добавить кнопку

 тут добавить ссылку на видео

Thank you so much  but for some reason its a empty box

instead of that
how i add this embed code
 

<div style="padding-top: 99.59%; position: relative; overflow: hidden;"><iframe allowfullscreen="" scrolling="no" allow="autoplay;fullscreen" style="position: absolute; height: 100%; width: 100%; left: 0px; top: 0px;" src="https://onelineplayer.com/player.html?autoplay=false&autopause=false&muted=false&loop=true&url=https%3A%2F%2Fwww.dropbox.com%2Fs%2Fsgbku8d39jiewbq%2Fsafas.mp4%3Fraw%3D1&poster=&time=true&progressBar=true&overlay=true&muteButton=true&fullscreenButton=true&style=light&quality=auto&playButton=true" frameborder="0"></iframe></div>

generated by https://onelineplayer.com/