Chris Lilley (computer scientist)
Chris Lilley is a British computer scientist known for co-authoring the Portable Network Graphics (PNG) format, starting the Scalable Vector Graphics (SVG) format, and his work on HTML2, CSS2, and Web fonts.
Lilley in 2008
Cascading Style Sheets (CSS) is a style sheet language used for specifying the presentation and styling of a document written in a markup language such as HTML or XML. CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.
Example of CSS source code
Håkon Wium Lie, chief technical officer of the Opera Software company and co-creator of the CSS web standards