Adding video-wrapper for mobile fiendly preview of the youtube video

[Oussamaosman02]

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Summary

I added a ifr-wrapper class that wraps the iframe and h2 where is the youtube video. In a less than 560px screen, the youtube video continues pretending to have the 560px dimensions and thats disturbs the page making everithing to move to the left leaving a great withe space

Test Plan**

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