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diff --git a/node_modules/pixrem/test/test.js b/node_modules/pixrem/test/test.js
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-'use strict';
-
-var fs      = require('fs');
-var assert  = require("assert");
-var pixrem  = require('../lib/pixrem');
-var postcss = require('postcss');
-
-var css = '.rule { font-size: 2rem }';
-
-describe('pixrem', function () {
-
-  it('should generate fallbacks using default settings', function () {
-    var expected = '.rule { font-size: 32px; font-size: 2rem }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should default to 16 when undefined', function () {
-    var expected = '.rule { font-size: 32px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: undefined})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should generate fallbacks with a pixel root em value', function () {
-    var expected = '.rule { font-size: 40px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '20px'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should generate fallbacks with a em root em value', function () {
-    var expected = '.rule { font-size: 48px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '1.5em'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should generate fallbacks with a rem root em value', function () {
-    var expected = '.rule { font-size: 56px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '1.75rem'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should generate fallbacks with a percent root em value', function () {
-    var expected = '.rule { font-size: 48px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '150%'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should generate fallbacks with a unitless root em value', function () {
-    var expected = '.rule { font-size: 36px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '18'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should generate fallbacks with a vw root em value', function () {
-    var expected = '.rule { font-size: 32px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '.625vw'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should warn when using browser-dependent unit', function (done) {
-    var expected = '.rule { font-size: 32px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '1vw'})]).process(css).then(function (result) {
-      var warnings = result.warnings();
-      assert.deepEqual(warnings, [{type: 'warning', text: 'Unit cannot be used for conversion, so 16px is used.', plugin: 'pixrem'}]);
-      done();
-    }).catch(done);
-  });
-
-  it('should generate fallbacks with a value starting with dot', function () {
-    var expected = '.rule { font-size: 16px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '.5em'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should replace rules with fallbacks when option.replace is true', function () {
-    var expected = '.rule { font-size: 40px }';
-    var processed = postcss([pixrem({rootValue: '20px', replace: true})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should round values based on default precision', function () {
-    var expected = '.rule { font-size: 36.032px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '1.126em'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should return integer when precision is 0', function () {
-    var expected = '.rule { font-size: 36px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '1.126em', unitPrecision: 0})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should return integer rounded down', function () {
-    var expected = '.rule { font-size: 36px; font-size: 2rem }';
-    var processed = postcss([pixrem({rootValue: '1.156em', unitPrecision: 0})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should handle < 1 values and values without a leading 0', function () {
-    var css = '.rule { margin: 0.5rem .5rem 0rem -2rem }';
-    var expected = '.rule { margin: 8px 8px 0px -32px; margin: 0.5rem .5rem 0rem -2rem }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should generate default fallback with an inline sourcemap', function () {
-    var expected = '.rule { font-size: 32px; font-size: 2rem }\n/*# sourceMappingURL=whatever.css.map *\/';
-    var processed = postcss([pixrem]).process(css, {
-      map: { 'inline': false },
-      to: 'whatever.css'
-    });
-    assert.equal(processed, expected);
-  });
-
-  it('should not convert rem in at-rules', function () {
-    var css = '@media screen { .rule { font-size: 2rem } } @keyframes name { from { font-size: 2rem } }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, css);
-  });
-
-  it('should convert rem in at-rules if options is true', function () {
-    var css = '@media screen { .rule { font-size: 2rem } }';
-    var expected = '@media screen { .rule { font-size: 32px; font-size: 2rem } }';
-    var processed = postcss([pixrem({atrules: true})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should convert rem in at-rules for IE9 hacks', function () {
-    var css = '@media screen { .rule { font-size: 2rem } .rule::after { font-size: 2rem } }';
-    var expected = '@media screen { .rule { font-size: 2rem } .rule::after { font-size: 32px; font-size: 2rem } }';
-    var processed = postcss([pixrem({browsers: 'ie 9'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should not convert rem in nested at-rules', function () {
-    var css = '@media screen { .rule { font-size: 2rem } @media screen { .rule { font-size: 2rem } @media screen { .rule { font-size: 2rem } } } }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, css);
-  });
-
-  it('should not convert rem in unsupported feature (value)', function () {
-    var css = '.rule { width: calc(100% - 2rem); background: linear-gradient(red 2rem, blue) }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, css);
-  });
-
-  it('should not convert rem in unsupported feature (property)', function () {
-    var css = '.rule { transform: translate(2rem) }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, css);
-  });
-
-  it('should not convert rem in unsupported feature (with prefixes)', function () {
-    var css = '.rule { width: -webkit-calc(100% - 2rem); width: calc(100% - 2rem); -ms-transform: translate(2rem) }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, css);
-  });
-
-  it('should use default root font-size as defined in CSS', function () {
-    var css = 'html { font-size: 62.5% } .rule { font-size: 2rem; }';
-    var expected = 'html { font-size: 62.5% } .rule { font-size: 20px; font-size: 2rem; }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should use default root font-size from font declaration', function () {
-    var css = '.rule { font-size: 2rem; } :root { font: italic 100 20px/24px sans-serif }';
-    var expected = '.rule { font-size: 40px; font-size: 2rem; } :root { font: italic 100 20px/24px sans-serif }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should detect root font-size only if targeted', function () {
-    var css = ':root a { font-size: 10px } .rule { font-size: 2rem; }';
-    var expected = ':root a { font-size: 10px } .rule { font-size: 32px; font-size: 2rem; }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should use root font-size defined with calc', function () {
-    var css = 'html { font-size: calc(.625em * 1) } .rule { font-size: 2rem; }';
-    var expected = 'html { font-size: calc(.625em * 1) } .rule { font-size: 20px; font-size: 2rem; }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should not use root font-size in MQ', function () {
-    var css = 'html { font-size: 10px } @media screen { html { font-size: 20px } } .rule { font-size: 2rem; }';
-    var expected = 'html { font-size: 10px } @media screen { html { font-size: 20px } } .rule { font-size: 20px; font-size: 2rem; }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should run through font shorthand without root size', function () {
-    var css = 'html { font: inherit } .rule { font-size: 2rem; }';
-    var expected = 'html { font: inherit } .rule { font-size: 32px; font-size: 2rem; }';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should not use root font-size when option is set', function () {
-    var css = 'html { font-size: 10px } .rule { font-size: 2rem; }';
-    var expected = 'html { font-size: 10px } .rule { font-size: 32px; font-size: 2rem; }';
-    var processed = postcss([pixrem({html: false})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should throw error when root font-size is invalid', function (done) {
-    var css = 'html { font-size: calc(1em + 2px) } .rule { font-size: 2rem; }';
-    postcss([pixrem]).process(css).then(function () {
-      done('should not run');
-    }).catch(function (err) {
-      assert.equal(err.name, 'CssSyntaxError');
-      assert.equal(err.reason, 'Root font-size is invalid');
-      done();
-    }).catch(done);
-  });
-
-  it('should reduce line-breaks when inserting new node', function () {
-    var css = '.rule{\n\tcolor:red;\n\n\tfont-size:2rem;\n}';
-    var expected = '.rule{\n\tcolor:red;\n\n\tfont-size:32px;\n\tfont-size:2rem;\n}';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should reduce and keep windows line-breaks', function () {
-    var css = '.rule{\r\n\tcolor:red;\r\n\r\n\tfont-size:2rem;\r\n}';
-    var expected = '.rule{\r\n\tcolor:red;\r\n\r\n\tfont-size:32px;\r\n\tfont-size:2rem;\r\n}';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should reduce and keep linux line-breaks', function () {
-    var css = '.rule{\r\tcolor:red;\r\r\tfont-size:2rem;\r}';
-    var expected = '.rule{\r\tcolor:red;\r\r\tfont-size:32px;\r\tfont-size:2rem;\r}';
-    var processed = postcss([pixrem]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should not reduce line-breaks when replacing node', function () {
-    var css = '.rule{\n\tcolor:red;\n\n\tfont-size:2rem;\n}';
-    var expected = '.rule{\n\tcolor:red;\n\n\tfont-size:32px;\n}';
-    var processed = postcss([pixrem({replace: true})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should not add fallback when IE8- are not in scope', function () {
-    var css = '.rule{width: 2rem}';
-    var expected = '.rule{width: 2rem}';
-    var processed = postcss([pixrem({browsers: 'firefox 28'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should add fallback when only IE8 is in scope', function () {
-    var css = '.rule{width: 2rem}';
-    var expected = '.rule{width: 32px;width: 2rem}';
-    var processed = postcss([pixrem({browsers: 'ie 8'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should add fallback when IE8 is in scope', function () {
-    var css = '.rule{width: 2rem}';
-    var expected = '.rule{width: 32px;width: 2rem}';
-    var processed1 = postcss([pixrem({browsers: 'ie 8'})]).process(css).css;
-    var processed2 = postcss([pixrem({browsers: 'ie >= 8'})]).process(css).css;
-    var processed3 = postcss([pixrem({browsers: 'ie <= 8'})]).process(css).css;
-    assert.equal(processed1, processed2);
-    assert.equal(processed2, processed3);
-  });
-
-  it('should add fallback when only IE6 is in scope', function () {
-    var css = '.rule{width: 2rem}';
-    var expected = '.rule{width: 32px;width: 2rem}';
-    var processed = postcss([pixrem({browsers: 'ie 6'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-  it('should add fallback only for font and pseudo-element when IE9 is in scope', function () {
-    var css = '.rule{width: 2rem;font: bold 2rem sans-serif}.rule::after{width: 2rem}';
-    var expected = '.rule{width: 2rem;font: bold 32px sans-serif;font: bold 2rem sans-serif}.rule::after{width: 32px;width: 2rem}';
-    var processed = postcss([pixrem({browsers: 'ie 9'})]).process(css).css;
-    assert.equal(processed, expected);
-  });
-
-});