Updated Audiobookshelf CSS - Fixing inconsistencies

[PyrokineticDarkElf]

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• I have read the contributing guideline and understand that I have made the correct modifications

• PR's are done against the develop branch.

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Bug fixes

• When submitting bugfixes please show a before and after screenshot of the fix, and a description of what the fix does.

Description:

I've updated most of the file, adjusting for changes that have been made in Audiobookshelf and correcting oversights from my previous theme.

Icon inconsistency:

Dropdown transparency:

Colour inconsistency:

Benefits of this PR and context:

Bug spotted on Audiobookshelf's Discord server:

The PR also fixes some small visual issues that have so far gone unreported.

How Has This Been Tested?

• Locally hosted theme.park docker container
• Mounted a local file for audiobookshelf-base.css
• Modified for Overseerr theme first
• Tested with; Hotline, Dracula, Plex, Maroon, Overseerr

Source / References:

[GilbN]

Thanks for the PR. :)