Interestingly enough, LESS (a similar concept to SASS, though less powerful last time I looked at it) offers a JavaScript component to compile .less files that

Interestingly enough, LESS (a similar concept to SASS, though less powerful last time I looked at it) offers a JavaScript component to compile .less files that are included via <link rel="stylesheet/less">, though they do recommend that in production the files be pre-compiled. http://lesscss.org/usage/ http://lesscss.org/usage/