Match some color schemes to the other parts of devtools
Match some color schemes to the other parts of devtools

Alternating colors in lists now get the same colors as other components
and the underline-on-hover is replaced with a background color change on
hover.

Before: https://files.tedm.io/dtss/media_colors_before.mp4
After: https://files.tedm.io/dtss/media_colors_after.mp4


Bug: 794255
Change-Id: I8ea998481d245cc93380274c4ffb0722669e26dc
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2200145
Commit-Queue: Ted Meyer <49f16de1701e9d27e09eb331529eeca82ecbab45@chromium.org>
Reviewed-by: Mathias Bynens <17a2cbc4e33156874a9862b0f530521117e66a3d@chromium.org>

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