Multimedia button in Tabs menu jumps up out of placed when clicked

Hi iv created a Tabs Menu in my Portfolio section of my site. I was editing the Websites button of the Tabs Menu after that the Multimedia button started jumping up out of place when clicked or focused,

heres an image of the problem

heres a link to my site
https://preview.webflow.com/preview/grafik-saphir?utm_medium=preview_link&utm_source=designer&utm_content=grafik-saphir&preview=5d10847bf01ab673f824d4daa0b8b86b&workflow=preview


Here is my public share link: LINK
(how to access public share link)