The clay package

[ Tags: bsd3, graphics, library, web ] [ Propose Tags ]

Clay is a CSS preprocessor like LESS and Sass, but implemented as an embedded domain specific language (EDSL) in Haskell. This means that all CSS selectors and style rules are first class Haskell functions, which makes reuse and composability easy.

The project is described on

The API documentation can be found in the top level module Clay.

0.8 -> 0.9
 - Added list-style-type property.
 - Added some CSS3 selectors and pseudo-classes.
 - Added some missing HTML5 elements.
 - Added keyframes support.
 - Fixed bug in linear in transition.
 - Added Initial and Unset type classes.
 - Added animation related styling rules.
 - Restored old renderer.
 - Fixed bunch of warnings.
 - Added :last-child pseudo selector.
 - Stub test suite
 Thanks to Sergei Trofimovich, Levi Ad, Ian D. Bollinger, Ben Gamari and Oly Mi!


Versions 0.0.1, 0.1, 0.1.1, 0.2, 0.3, 0.4, 0.5, 0.5.1, 0.6, 0.7, 0.8,, 0.9,, 0.10, 0.10.1, 0.11, 0.12, 0.12.1, 0.12.2
Dependencies base (>=4.5 && <5), mtl (>=1 && <2.3), text (>=0.11 && <1.2) [details]
License BSD3
Author Sebastiaan Visser
Maintainer Sebastiaan Visser <>
Category Web, Graphics
Home page
Bug tracker
Source repository head: git clone git://
Uploaded Thu Jun 19 10:26:57 UTC 2014 by SebastiaanVisser
Updated Sun May 3 22:37:41 UTC 2015 by AdamBergmark to revision 1   [What is this?]
Distributions LTSHaskell:0.12.2, NixOS:0.12.2, Stackage:0.12.2, Tumbleweed:0.12.2
Downloads 7189 total (1090 in the last 30 days)
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Status Docs available [build log]
Successful builds reported [all 1 reports]
Hackage Matrix CI




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