[Bug]: graphical glitch on setup page on nc25-beta7

[ArtificialOwl]

⚠️ This issue respects the following points: ⚠️

• [X] This is a bug, not a question or a configuration/webserver/proxy issue.
• [X] This issue is not already reported on Github (I've searched it).
• [X] Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• [X] Nextcloud Server is running on 64bit capable CPU, PHP and OS.
• [X] I agree to follow Nextcloud's Code of Conduct.

Bug description

Tested on firefox and IE Tested on different hosting location

Steps to reproduce

1. download nc25-beta7
2. extract the file at the right place
3. open the page to start the setup of nextcloud

Expected behavior

better display of the popup

Installation method

No response

Operating system

No response

PHP engine version

No response

Web server

No response

Database engine version

No response

Is this bug present after an update or on a fresh install?

Fresh Nextcloud Server install

Are you using the Nextcloud Server Encryption module?

No response

What user-backends are you using?

• [ ] Default user-backend (database)
• [ ] LDAP/ Active Directory
• [ ] SSO - SAML
• [ ] Other

Configuration report

no config at this point of the setup process

List of activated Apps

none

Nextcloud Signing status

No response

Nextcloud Logs

data/ is not created at this point of the process

Additional info

No response