A CSS preprocessor is a scripting language that extends CSS and compile the code which is written using a special compiler. They then use that to create a CSS file, which can then be referenced by the ...

The processing starts with reading the CSS declarations. The CSS is syntactically correct and consists of an attribute block, optionally preceded by selectors. The absence of selectors is valid (it ...

If you've ever worked on a large programming project you know all about the joy of trying to read other people's code. And of course that's how everyone else feels about reading your code. That's why ...