Styling the Navbar

When I insert a navbar from the elements panel and style it, It becomes smaller on preview than the original width of the hero section on designer mode. How do I fix this? Find attached the Read-only link below; Thank you


Here is my site Read-Only: [LINK]
(https://preview.webflow.com/preview/chat-app-homepage-87625e?utm_medium=preview_link&utm_source=designer&utm_content=chat-app-homepage-87625e&preview=25246181f89d9cb9af86480a3bfcbc85&workflow=preview)