Less language is an extension of css and less4j compiles it into regular css. Less adds several dynamic features into css: variables, expressions, nested rules, and so on. Less was designed to be compatible with css and any correct css file is also correct less file.
created at June 14, 2012, 9:33 a.m.
Best-practices and coding conventions for the {less} css pre-processing language
created at Nov. 25, 2014, 3:22 p.m.
A library of handy LESS-CSS mixins and functions
created at Sept. 17, 2013, 6:16 p.m.
Collection of LESS mixins for various shapes
created at Oct. 9, 2013, 9:51 p.m.
Modularized famous normalize.css using less
created at May 29, 2015, 9:47 p.m.
A set of useful mixins for LESS, the CSS pre-processor: http://lesscss.org
created at Dec. 2, 2011, 11:07 p.m.
A set of LESS mixins that allows creating bi-directional styling without code duplication
created at Jan. 27, 2013, 10:48 a.m.
A tiny CSS3 animation library with plug & play options.
created at Dec. 21, 2012, 7:06 p.m.
A library of CSS3 keyframe animations authored using LESS
created at Nov. 20, 2012, 6:43 p.m.