BigVideo.js
BigVideo.js copied to clipboard
Video shows strings while loading on BVshow() breakpoint
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There is a quick and unsightly flash on loading of the video data.

I'm also seeing this.
I've just encountered this problem. You need to include video-js.css as it has this critical rule (and maybe others)
.vjs-hidden {
display: none !important; }
Maybe you could just include that in bigvideo.css?
I also encountered this problem, add css file is ok now.