Picture shows full width only in Preview

In the CMS container when I add pics in articles they show full width, but when published they are very small on the same page.

https://preview.webflow.com/preview/rote-sonne?utm_medium=preview_link&utm_source=designer&utm_content=rote-sonne&preview=a86071ffd13769dfc47fb65cc8411cc4&pageId=653ecd09a92f5e5679f27cbf&itemId=653ecd09a92f5e5679f27c97&workflow=preview


Here´s the link to the published page.

What am I doing wrong?

Cheers & thanks for tips!

Uwe


They are rendering correctly for me on Opera