Modal pop up not staying on

Hi
When on home page i click enquire online, it shows modal and closes instantly. I need that modal to stay on when i click enquire online. Any help would be appreciated

https://preview.webflow.com/preview/vitalijuss-maid2clean?utm_medium=preview_link&utm_source=designer&utm_content=vitalijuss-maid2clean&preview=d9b586d083a4e9b4035e4c5f832e9fce&workflow=preview


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