LESS is a dynamic stylesheet language designed by Alexis Sellier. It is influenced by Sass and has influenced the newer "SCSS" syntax of Sass, which adapted its CSS-like block formatting syntax.

LESS is open-source. Its first version was written in Ruby,

After a smaller 2.0.4 release, we've got another huge update that resolves tons of bugs, improves the flexibility and durability of our code, and introduces a few awesome new features. It's a big release wrapped in a brand new set of docs and we couldn't be more stoked to launch it.

New docs, affix plugin, submenus on dropdowns, block buttons, image styles, fluid grid offsets, new navbar, increased font-size and line-height, 120+ closed bugs, and more.