Color of mnemonic bookmark support

[optionals]

If you're reporting an UI issue, make sure you take a screenshot that shows the actual bug.

theme attribute keys: https://github.com/JetBrains/intellij-community/blob/master/platform/platform-resources/src/themes/metadata/IntelliJPlatform.themeMetadata.json

Platform UI Guidelines: https://jetbrains.design/intellij/principles/platform_theme_colors/#ui-components.

[WhiteVermouth]

This feature is implemented in v1.12.4. Here is some previews:

Add Mnemonic Bookmark:

Bookmark Tab:

Check it out. And feedback is welcome.

[optionals]

This feature is implemented in v1.12.4. Here is some previews:

Add Mnemonic Bookmark:

Bookmark Tab:

Check it out. And feedback is welcome.

solved, thx.