var bifs="vendors = moz webkit o ms official\n\n// stringify the given arg\n\n-string(arg)\n  type(arg) + ' ' + arg\n\n// require a color\n\nrequire-color(color)\n  unless color is a 'color' \n    error('RGB or HSL value expected, got a ' + -string(color))\n\n// require a unit\n\nrequire-unit(n)\n  unless n is a 'unit'\n    error('unit expected, got a ' + -string(n))\n\n// require a string\n\nrequire-string(str)\n  unless str is a 'string' or str is a 'ident'\n    error('string expected, got a ' + -string(str))\n\n// apply js Math function\n\nmath(n, fn) \n  require-unit(n)\n  require-string(fn)\n  -math(n, fn)\n\n// adjust the given color's property by amount\n\nadjust(color, prop, amount)\n  require-color(color)\n  require-string(prop)\n  require-unit(amount)\n  -adjust(color, prop, amount)\n\n// Math functions\n\nabs(n) { math(n, 'abs') }\nceil(n) { math(n, 'ceil') }\nfloor(n) { math(n, 'floor') }\nround(n) { math(n, 'round') }\nsin(n) { math(n, 'sin') }\ncos(n) { math(n, 'cos') 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d(a){this.name="ParseError",this.message=a,Error.captureStackTrace(this,d)}function e(a){this.name="SyntaxError",this.message=a,Error.captureStackTrace(this,d)}b.ParseError=d,b.SyntaxError=e,e.prototype.__proto__=Error.prototype,d.prototype.__proto__=Error.prototype,e.prototype.__proto__=Error.prototype}),a.register("functions/index.js",function(a,b,c){var d=c("../visitor/compiler"),e=c("../nodes"),f=c("../utils"),g=c("./image"),h={red:"r",green:"g",blue:"b",alpha:"a",hue:"h",saturation:"s",lightness:"l"},i={hue:"deg",saturation:"%",lightness:"%"},j={red:"rgba",blue:"rgba",green:"rgba",alpha:"rgba",hue:"hsla",saturation:"hsla",lightness:"hsla"};b.hsla=function(b,c,d,g){switch(arguments.length){case 1:return f.assertColor(b),b.hsla;default:return f.assertType(b,"unit","hue"),f.assertType(c,"unit","saturation"),f.assertType(d,"unit","lightness"),f.assertType(g,"unit","alpha"),new e.HSLA(b.val,c.val,d.val,g.val)}},b.hsl=function(c,d,g){return 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e.RGBA(b.val,c.val,d.val,g.val)}},b.rgb=function(c,d,g){switch(arguments.length){case 1:f.assertColor(c);var h=c.rgba;return new e.RGBA(h.r,h.g,h.b,1);default:return b.rgba(c,d,g,new e.Unit(1))}},b.unquote=function(b){return f.assertString(b,"string"),new e.Literal(b.string)},b.unit=function l(l,a){return f.assertType(l,"unit","unit"),a?(f.assertString(a,"type"),new e.Unit(l.val,a.string)):new e.String(l.type||"")},b.lookup=function(b){f.assertType(b,"string","name");var c=this.lookup(b.val);return c?this.visit(c):e.nil},b.operate=function(b,c,d){return f.assertType(b,"string","op"),f.assertPresent(c,"left"),f.assertPresent(d,"right"),c.operate(b.val,d)},b.match=function(b,c){f.assertType(b,"string","pattern"),f.assertString(c,"val");var d=new RegExp(b.val);return e.Boolean(d.test(c.string))},(b.length=function(b){return b?b.nodes?new e.Unit(f.unwrap(b).nodes.length):new e.Unit(1):new e.Unit(0)}).raw=!0,(b.p=function(b){return b=f.unwrap(b),console.log("inspect: 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