Pratham on Twitter: "You can do a bunch of amazing things using the CSS filter function For example: The sepia() CSS function converts the input image to more yellow/brown appearance https://t.co/6NcEPyMdnZ" /
George Moller on Twitter: "🔥 CSS Filter property cheat sheet. https://t.co/TlbyCJAqna" / Twitter
CSS Filter Effects: Blur, Grayscale, Brightness and More in CSS! — SitePoint
CSS Filter | How CSS Filter Works with Code and Output?
Editing Images in CSS: Filters
CSS Filter - Sepia
css3 filters (Example)
CSS Filters: An Online Photo Editing Playground - Orangeable
Achieving antique/sepia photo filter with CSS - Stack Overflow