This CSS file can convert your site into a light text on a dark background. Whenever you're a fan of legacy LED displays on VCRs Stereo systems, or you're a fan of organic LED display windows.
When this CSS file is being implemented to your website or blog, and you used a CRT monitor to view your website or blog, your CRT Monitor will use less energy,--depending on a model.
For LCD Displays, you might need to experiment how much power you're reducing.
This CSS file is open-source, and you are free to change the way how you want your CSS file to display any style you wish on your site.