Please help problem with slider

Design help Animations & Interactions
1

Im having an issue with my slider. Whenever I load the website for the first time the slider only slides halfway or items from the slider overlap. Any help would be appreciated Im trying to make this web site as a gift for somebody.

https://preview.webflow.com/preview/family-tree-2367d2?utm_medium=preview_link&utm_source=designer&utm_content=family-tree-2367d2&preview=aeb21e745d8cbbd15cdc4b045d6c5fa2&pageId=60a130cbbb3434586e9f4cde&workflow=preview

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