A cascading style sheet (CSS) is a Web page derived from multiple sources with a defined order of precedence where the definitions of any style element conflict.
Compositing used to create layered images and video in advertisements, memes and other content for print publications, websites and apps. Compositing techniques are also used in video game development, augmented reality and virtual reality.
The const (constant) keyword indicates that the associated variable cannot be changed. Constants are used in many programming languages.