navbar-nav to small on collapsed navbar

Prerequisites

• I have searched for duplicate or closed issues
• I have validated any HTML to avoid common problems
• I have read the contributing guidelines

Describe the issue

current release looks good https://getbootstrap.com/docs/5.1/components/navbar/#color-schemes

current brunch looks bad https://twbs-bootstrap.netlify.app/docs/5.1/components/navbar/#color-schemes

Reduced test cases

https://getbootstrap.com/docs/5.1/components/navbar/#color-schemes https://twbs-bootstrap.netlify.app/docs/5.1/components/navbar/#color-schemes

What operating system(s) are you seeing the problem on?

Windows

What browser(s) are you seeing the problem on?

Chrome, Firefox

What version of Bootstrap are you using?

v5.1.3 and Current main Brunch