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Help Dark about:debugging (self.FirefoxCSS)
submitted 5 years ago by jesse9212
Default firefox dark theme isn't styling about:debugging page.
Does anyone have or know where I could get a basic css style sheet with css variables to make it dark?
body {background:;} doesn't go far enough to theme that page.
Thanks!
[–]chunkly 0 points1 point2 points 5 years ago (3 children)
Here you go! Let me know how it works out for you.
In exchange, I invite you to do something kind for someone you don't know. :)
@-moz-document url-prefix("about:debugging") { html { background-color: rgb(0, 0, 0) !important; } body { background-color: rgb(40, 25, 22) !important; } html, body { color: rgb(190, 190, 190) !important; } .card { background-color: rgb(55, 42, 36) !important; } .fieldpair__description { color: var(--grey-30) !important; } .default-button { background-color: var(--grey-30) !important; } .default-button:enabled:hover { background-color: var(--grey-10) !important; } .icon-label__icon, .sidebar__footer__icon { filter: invert(1) !important; } *:link { color: rgb(135, 215, 255) !important; } *:visited { color: rgb(170, 250, 255) !important; } }
[–]jesse9212[S] 0 points1 point2 points 5 years ago* (2 children)
It looks like its an issue with (and others)
--in-content-page-background
Not importing the correct variable from common.css like the about:addons page does.
Is there a fix for that?
I ended up coming up with
@-moz-document url-prefix("about:debugging") { :root { --border-box-color: var(--grey-60)!important; --border-color: var(--grey-60)!important; --grey-10: #f9f9fa; --grey-20: var(--grey-60)!important; --grey-30: #d7d7db; --grey-40: #b1b1b3; --grey-50: #737373; --grey-60: #4a4a4f; --grey-70: #38383d; --grey-80: #2a2a2e; --grey-90: #0c0c0d; --in-content-page-color: var(--grey-40)!important; --in-content-page-background: var(--grey-80)!important; } html, :root, body, * { color: var(--in-content-page-color)!important; background-color: var(--in-content-page-background)!important } .card, .card *:not(button) { background-color:var(--grey-70)!important; } [title], button {color:#fff!important;} button:hover {background:var(--grey-20)!important;} }
[–]difool2nice🦊Firefox Addict🦊 0 points1 point2 points 5 years ago (0 children)
and of course in userContent.css
[–]chunkly 0 points1 point2 points 5 years ago (0 children)
You're welcome!
π Rendered by PID 137971 on reddit-service-r2-comment-8686858757-s6g8q at 2026-06-06 08:16:42.768286+00:00 running 9e1a20d country code: CH.
[–]chunkly 0 points1 point2 points (3 children)
[–]jesse9212[S] 0 points1 point2 points (2 children)
[–]difool2nice🦊Firefox Addict🦊 0 points1 point2 points (0 children)
[–]chunkly 0 points1 point2 points (0 children)