Less
Source file extensions: .less
.less files are processed with Less.
foo.less will generate a foo.css file in output.
Import in Javascript/Typescript
.less are imported like .css.
See css for more details
References
Quick example
style.less
// Variables
@link-color: #428bca; // sea blue
@link-color-hover: darken(@link-color, 10%);
// Usage
a,
.link {
color: @link-color;
}
a:hover {
color: @link-color-hover;
}
.widget {
color: #fff;
background: @link-color;
}