You can now apply CSS filters on anything! (Grayscale, Blur, Sepia, Hue, Invert, ...) | AppDrag
CSS functions - A guide to css filter functions
Image manipulation with CSS filters | Servage Magazine
CSS Filter Effects: Brightness, Contrast, Grayscale, Saturate, and Sepia Part I | Free Source Code Projects and Tutorials
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" /
Achieving antique/sepia photo filter with CSS - Stack Overflow