Youtube videos won't scale properly

Hi there! Thank you so much for providing us with this great theme.
Since version 2.3.2 there are is some strange behaviour which I couldn’t fix on my own.

When using YouTube videos within a page or a article the video is displayed in it’s original size (in my case HD). Ususally the videos should be scaled down to the width of the parent column.

e.G.:

http://www.time4you.de/?post_type=event&p=20264&preview=true

Embedding the Youtube Video with an embed code (iframe) won’t help either.

Could you please have a look?

Thank you so much. Best, Richard

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