Searching through the CSS codebase, it seems we're always styling the `theme-fg-color5` exactly like `theme-fg-color3`. We may have reduced the number of displayed colors in the past. So we can deduplicate those.
Bug 1521044 Comment 0 Edit History
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Searching through the CSS codebase, it seems we're always styling the `theme-fg-color5` exactly like `theme-fg-color3`. We may have reduced the number of displayed colors in the past. So we can deduplicate those. Same for `theme-fg-color2` which is only used once and styled like `theme-fg-color1`.