The body element in designer mode seems to be out of place, I’ve checked my other sites and it’s the same. Some sites have no classes added to the body.
Share link for my own website (same body issue) https://preview.webflow.com/preview/ns89?preview=1a5b1effe9fdde833dbea1b47427e4b2
Here is my site Read-Only: LINK
(how to share your site Read-Only link)