* Make tabs smaller
Fomantic's tabs are excessively wide and with another tab added on the
repo tabbar (https://github.com/go-gitea/gitea/pull/8346) it would break
the layout on the english language.
Globally reduce tab bar padding to around half of the previous values.
* disable no-duplicate-selectors linter rule
* more tab bar tweaks
* more tweaks
* merge rules and nesting
* remove arc-green weird hover color
* few more arc-green tweaks
* restore to 12px
* tweaks
* use half width height padding
* final tweak
* 10px
* remove min-height
* 11px
* remve new-menu background on light theme too
* background fixes for new-menu
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
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