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How do I change the default backround color from white to black? AKA Stop the white flash.

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Whenever I open any webpage, the window turns solid white for a second before the page loads.

I am not talking about "new tab" I already have that set to use a dark theme. This is when you click on a favorite or a link on a page.

I can open a new tab with it's dark theme with no white flash but then I click on a saved favorite, and I get the white flash before any of the website loads.

PS I am using the userContent.css and userChrome.css from https://github.com/aris-t2/customcssforfx but have not found a setting for this.

Whenever I open any webpage, the window turns solid white for a second before the page loads. I am not talking about "new tab" I already have that set to use a dark theme. This is when you click on a favorite or a link on a page. I can open a new tab with it's dark theme with no white flash but then I click on a saved favorite, and I get the white flash before any of the website loads. PS I am using the userContent.css and userChrome.css from https://github.com/aris-t2/customcssforfx but have not found a setting for this.

Modifié le par MadeUpName30

Toutes les réponses (3)

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Hi, I do not think you can stop that as the page needs to start loading before any settings can take effect. You may want to see Greasemonkey Extension :

sort off a companion to the above :

Google :

youtube :

and this one, does sites : https://addons.mozilla.org/en-US/firefox/addon/stylish/ there is more out there under themes

Please let us know if this solved your issue or if need further assistance.

Modifié le par Shadow110

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None of those addons, all of which I am familiar with, can help. All of those apply CSS to specific websites.

I'm talking about the default color the browser uses for a backround "before" any part of a webpage is loaded.

Type anything, something, into the search/adress bar and hit enter.

The browser window will flash white for a second before doing anything else.

Modifié le par MadeUpName30

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Since ancient days, I've had this in either a Stylish userstyle (pre-Quantum) or userChrome.css:

@-moz-document url(chrome://browser/content/browser.xul) {
  browser[type="content-primary"], 
  browser[type="content"] {
    background: #778899 !important;
  }
}

I do see that dark slate color from time to time, so I think it still works.

Or check the CSS for this theme which is still under active development: https://github.com/overdodactyl/ShadowFox