Also, there are 3rd party apps that do the deed, an increasingly popular option is TwinkleTray but you can find more in a search engine. Source: 12 months ago

I don't think you can, since it automatically detects whether or not the screen is connected. Https://twinkletray.com/ tho this app can shut off the screen, maybe it can be better. Source: about 1 year ago

Use this maybe? https://twinkletray.com/ I don't know if it will help. Source: about 1 year ago

TwinkleTray, to control display brightness on desktop displays like you can on laptops. Source: over 1 year ago

I develop Lunar that can do that for macOS, for Windows you have TwinkleTray and on Linux there's ddcutil. Source: over 1 year ago

Both of these are hosted on userstyles.world. To use them, you'll need to have a browser extension like Stylus . Then just click the blue Install button for each tool you want! Source: 12 months ago

These are both hosted on userstyles.world. I recommend using them with the Stylus browser extension, which works on Chrome, Firefox (including Firefox Nightly for Android) and Opera. (Pretty sure it will also work with Cascadea if you're on Safari but I haven't tested it yet.). Source: 12 months ago

I wonder if Stylus would be good for this... Source: about 1 year ago

If you don't have a userstyles extension installed, you can get one here for Firefox or Chrome, but for Safari you'll have to do some tweaking. Source: about 1 year ago

Though if you're in the habit of customizing sites you read, I'd personally recommend using a browser extension like Stylus (https://add0n.com/stylus.html) to do CSS, so you could write it like this:

  #wrapper {.

- Source: Hacker News / about 1 year ago