Fix LCARS top navbar

[rdwebdesign]

By submitting this pull request, I confirm the following:

• I have read and understood the contributors guide, as well as this entire template.
• I have made only one major change in my proposed changes.
• I have commented my proposed changes within the code.
• I have tested my proposed changes.
• I am willing to help maintain this change if there are issues with it later.
• I give this submission freely and claim no ownership.
• It is compatible with the EUPL 1.2 license
• I have squashed any insignificant commits. (git rebase)
• I have Signed Off all commits. (git commit --signoff)

---

What does this PR aim to accomplish?:

Other PRs introduced visual changes to the default themes.
The LCARS theme changes the size and position of many items, requiring new CSS to accommodate these visual changes.

This PR fixes these issues.

How does this PR accomplish the above?:

Adding new CSS.

What documentation changes (if any) are needed to support this PR?:
none

[yubiuser]

Can you provide a before and after screenshot?

[DL6ER]

[yubiuser]

Reverted by #2027

[pralor-bot]

This pull request has been mentioned on Pi-hole Userspace. There might be relevant details there:

https://discourse.pi-hole.net/t/pi-hole-ftl-v5-13-web-v5-10-and-core-v5-8-released/52254/1