browser addons - What's the Firefox add-on to dim the whole page of a site?

I upgraded my PC and foolishly thought I knew all the add-ons that I used so wouldn't need to write them down!

Basically I had an add-on that I thought was called something like 'lights out' or similar.

All it did was enable you to have a little button which changed the CSS of websites with the click of a button, so that white backgrounds became grey and made the whole page dimmer.

It had various different built in themes to choose from, and there was an option called 'stay in the dark' which meant whatever page was loaded in the tab you were in would continue to use one of the anti-glare/brightness themes for night time reading etc.

It was a great little add on, but I can't seem to find it anywhere. The icon was a simple little light bulb with a drop down menu to select different themes.

Can anyone help me find the add on please!?

Answer

Do you mean Blackout?

If you are browsing in a dark environment, then it is very bad for your eyes to read pages with white background. This plugin helps you by turning the webpage to a dark color scheme.

There are some predefined color schemes built in, and you can also configure your color preferenes.

The "Stay in the dark" function enables you to automatically darken the page when you click on a link and the page loads.

Links and headers gets different color then text.

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