diff --git a/gulpfile.js b/gulpfile.js
index c2a1822545..b2e008912a 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -6,7 +6,7 @@ const autoprefixer = require('gulp-autoprefixer');
 const sass = require('gulp-sass');
 const rename = require('gulp-rename');
 const sourcemaps = require('gulp-sourcemaps');
-const cssnano = require('gulp-cssnano');
+const cssnano = require('cssnano');
 const postcss = require('gulp-postcss');
 const stylefmt = require('gulp-stylefmt');
 const sorting = require('postcss-sorting');
@@ -50,10 +50,10 @@ gulp.task('minify', () => {
 	.pipe(sourcemaps.init())
 	.pipe(
 		postcss([
-			atimport()
+			atimport(),
+			cssnano()
 		])
 	)
-	.pipe(cssnano())
 	.pipe(rename({
 		suffix: '.min',
 		extname: '.css'
diff --git a/package-lock.json b/package-lock.json
index f6e710c552..d4903999c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -334,6 +334,12 @@
 			"integrity": "sha512-D5Rt+HXgEywr3RQJcGlZUCTCx1qVbCZpVk3/tOOA6spLNZdGm8BU+zRgdRYDoF1pO3RuXLxADzMrF903JlQXqg==",
 			"dev": true
 		},
+		"@types/q": {
+			"version": "1.5.2",
+			"resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.2.tgz",
+			"integrity": "sha512-ce5d3q03Ex0sy4R14722Rmt6MT07Ua+k4FwDfdcToYJcMKNtRVQvJ6JCAPdAmAnbRb6CsX6aYb9m96NGod9uTw==",
+			"dev": true
+		},
 		"@types/unist": {
 			"version": "2.0.3",
 			"resolved": "https://registry.npmjs.org/@types/unist/-/unist-2.0.3.tgz",
@@ -930,6 +936,12 @@
 			"integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==",
 			"dev": true
 		},
+		"boolbase": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
+			"integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24=",
+			"dev": true
+		},
 		"boxen": {
 			"version": "1.3.0",
 			"resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
@@ -1112,27 +1124,15 @@
 			}
 		},
 		"caniuse-api": {
-			"version": "1.6.1",
-			"resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-1.6.1.tgz",
-			"integrity": "sha1-tTTnxzTE+B7F++isoq0kNUuWLGw=",
+			"version": "3.0.0",
+			"resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-3.0.0.tgz",
+			"integrity": "sha512-bsTwuIg/BZZK/vreVTYYbSWoe2F+71P7K5QGEX+pT250DZbfU1MQ5prOKpPR+LL6uWKK3KMwMCAS74QB3Um1uw==",
 			"dev": true,
 			"requires": {
-				"browserslist": "^1.3.6",
-				"caniuse-db": "^1.0.30000529",
+				"browserslist": "^4.0.0",
+				"caniuse-lite": "^1.0.0",
 				"lodash.memoize": "^4.1.2",
 				"lodash.uniq": "^4.5.0"
-			},
-			"dependencies": {
-				"browserslist": {
-					"version": "1.7.7",
-					"resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.7.tgz",
-					"integrity": "sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=",
-					"dev": true,
-					"requires": {
-						"caniuse-db": "^1.0.30000639",
-						"electron-to-chromium": "^1.2.7"
-					}
-				}
 			}
 		},
 		"caniuse-db": {
@@ -1286,42 +1286,6 @@
 			"integrity": "sha512-UZK3NBx2Mca+b5LsG7bY183pHWt5Y1xts4P3Pz7ENTwGVnJOUWbRb3ocjvX7hx9tq/yTAdclXm9sZ38gNuem4A==",
 			"dev": true
 		},
-		"clap": {
-			"version": "1.2.3",
-			"resolved": "https://registry.npmjs.org/clap/-/clap-1.2.3.tgz",
-			"integrity": "sha512-4CoL/A3hf90V3VIEjeuhSvlGFEHKzOz+Wfc2IVZc+FaUgU0ZQafJTP49fvnULipOPcAfqhyI2duwQyns6xqjYA==",
-			"dev": true,
-			"requires": {
-				"chalk": "^1.1.3"
-			},
-			"dependencies": {
-				"ansi-styles": {
-					"version": "2.2.1",
-					"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-					"integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-					"dev": true
-				},
-				"chalk": {
-					"version": "1.1.3",
-					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-					"dev": true,
-					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					}
-				},
-				"supports-color": {
-					"version": "2.0.0",
-					"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-					"integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-					"dev": true
-				}
-			}
-		},
 		"class-utils": {
 			"version": "0.3.6",
 			"resolved": "https://registry.npmjs.org/class-utils/-/class-utils-0.3.6.tgz",
@@ -1415,11 +1379,13 @@
 			}
 		},
 		"coa": {
-			"version": "1.0.4",
-			"resolved": "https://registry.npmjs.org/coa/-/coa-1.0.4.tgz",
-			"integrity": "sha1-qe8VNmDWqGqL3sAomlxoTSF0Mv0=",
+			"version": "2.0.2",
+			"resolved": "https://registry.npmjs.org/coa/-/coa-2.0.2.tgz",
+			"integrity": "sha512-q5/jG+YQnSy4nRTV4F7lPepBJZ8qBNJJDBuJdoejDyLXgmL7IEo+Le2JDZudFTFt7mrCqIRaSjws4ygRCTCAXA==",
 			"dev": true,
 			"requires": {
+				"@types/q": "^1.5.1",
+				"chalk": "^2.4.1",
 				"q": "^1.1.2"
 			}
 		},
@@ -1457,22 +1423,13 @@
 			}
 		},
 		"color": {
-			"version": "0.11.4",
-			"resolved": "https://registry.npmjs.org/color/-/color-0.11.4.tgz",
-			"integrity": "sha1-bXtcdPtl6EHNSHkq0e1eB7kE12Q=",
+			"version": "3.1.2",
+			"resolved": "https://registry.npmjs.org/color/-/color-3.1.2.tgz",
+			"integrity": "sha512-vXTJhHebByxZn3lDvDJYw4lR5+uB3vuoHsuYA5AKuxRVn5wzzIfQKGLBmgdVRHKTJYeK5rvJcHnrd0Li49CFpg==",
 			"dev": true,
 			"requires": {
-				"clone": "^1.0.2",
-				"color-convert": "^1.3.0",
-				"color-string": "^0.3.0"
-			},
-			"dependencies": {
-				"clone": {
-					"version": "1.0.4",
-					"resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
-					"integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4=",
-					"dev": true
-				}
+				"color-convert": "^1.9.1",
+				"color-string": "^1.5.2"
 			}
 		},
 		"color-convert": {
@@ -1497,12 +1454,13 @@
 			"dev": true
 		},
 		"color-string": {
-			"version": "0.3.0",
-			"resolved": "https://registry.npmjs.org/color-string/-/color-string-0.3.0.tgz",
-			"integrity": "sha1-J9RvtnAlxcL6JZk7+/V55HhBuZE=",
+			"version": "1.5.3",
+			"resolved": "https://registry.npmjs.org/color-string/-/color-string-1.5.3.tgz",
+			"integrity": "sha512-dC2C5qeWoYkxki5UAXapdjqO672AM4vZuPGRQfO8b5HKuKGBbKWpITyDYN7TOFKvRW7kOgAn3746clDBMDJyQw==",
 			"dev": true,
 			"requires": {
-				"color-name": "^1.0.0"
+				"color-name": "^1.0.0",
+				"simple-swizzle": "^0.2.2"
 			}
 		},
 		"color-support": {
@@ -1603,23 +1561,6 @@
 				}
 			}
 		},
-		"colormin": {
-			"version": "1.1.2",
-			"resolved": "https://registry.npmjs.org/colormin/-/colormin-1.1.2.tgz",
-			"integrity": "sha1-6i90IKcrlogaOKrlnsEkpvcpgTM=",
-			"dev": true,
-			"requires": {
-				"color": "^0.11.0",
-				"css-color-names": "0.0.4",
-				"has": "^1.0.1"
-			}
-		},
-		"colors": {
-			"version": "1.1.2",
-			"resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
-			"integrity": "sha1-FopHAXVran9RoSzgyXv6KMCE7WM=",
-			"dev": true
-		},
 		"combined-stream": {
 			"version": "1.0.8",
 			"resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -1829,6 +1770,16 @@
 			"integrity": "sha1-gIrcLnnPhHOAabZGyyDsJ762KeA=",
 			"dev": true
 		},
+		"css-declaration-sorter": {
+			"version": "4.0.1",
+			"resolved": "https://registry.npmjs.org/css-declaration-sorter/-/css-declaration-sorter-4.0.1.tgz",
+			"integrity": "sha512-BcxQSKTSEEQUftYpBVnsH4SF05NTuBokb19/sBt6asXGKZ/6VP7PLG1CBCkFDYOnhXhPh0jMhO6xZ71oYHXHBA==",
+			"dev": true,
+			"requires": {
+				"postcss": "^7.0.1",
+				"timsort": "^0.3.0"
+			}
+		},
 		"css-rule-stream": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/css-rule-stream/-/css-rule-stream-1.1.0.tgz",
@@ -1877,6 +1828,24 @@
 				}
 			}
 		},
+		"css-select": {
+			"version": "2.0.2",
+			"resolved": "https://registry.npmjs.org/css-select/-/css-select-2.0.2.tgz",
+			"integrity": "sha512-dSpYaDVoWaELjvZ3mS6IKZM/y2PMPa/XYoEfYNZePL4U/XgyxZNroHEHReDx/d+VgXh9VbCTtFqLkFbmeqeaRQ==",
+			"dev": true,
+			"requires": {
+				"boolbase": "^1.0.0",
+				"css-what": "^2.1.2",
+				"domutils": "^1.7.0",
+				"nth-check": "^1.0.2"
+			}
+		},
+		"css-select-base-adapter": {
+			"version": "0.1.1",
+			"resolved": "https://registry.npmjs.org/css-select-base-adapter/-/css-select-base-adapter-0.1.1.tgz",
+			"integrity": "sha512-jQVeeRG70QI08vSTwf1jHxp74JoZsr2XSgETae8/xC8ovSnL2WF87GTLO86Sbwdt2lK4Umg4HnnwMO4YF3Ce7w==",
+			"dev": true
+		},
 		"css-tokenize": {
 			"version": "1.0.1",
 			"resolved": "https://registry.npmjs.org/css-tokenize/-/css-tokenize-1.0.1.tgz",
@@ -1913,134 +1882,160 @@
 				}
 			}
 		},
-		"cssnano": {
-			"version": "3.10.0",
-			"resolved": "https://registry.npmjs.org/cssnano/-/cssnano-3.10.0.tgz",
-			"integrity": "sha1-Tzj2zqK5sX+gFJDyPx3GjqZcHDg=",
+		"css-tree": {
+			"version": "1.0.0-alpha.33",
+			"resolved": "https://registry.npmjs.org/css-tree/-/css-tree-1.0.0-alpha.33.tgz",
+			"integrity": "sha512-SPt57bh5nQnpsTBsx/IXbO14sRc9xXu5MtMAVuo0BaQQmyf0NupNPPSoMaqiAF5tDFafYsTkfeH4Q/HCKXkg4w==",
 			"dev": true,
 			"requires": {
-				"autoprefixer": "^6.3.1",
-				"decamelize": "^1.1.2",
-				"defined": "^1.0.0",
-				"has": "^1.0.1",
-				"object-assign": "^4.0.1",
-				"postcss": "^5.0.14",
-				"postcss-calc": "^5.2.0",
-				"postcss-colormin": "^2.1.8",
-				"postcss-convert-values": "^2.3.4",
-				"postcss-discard-comments": "^2.0.4",
-				"postcss-discard-duplicates": "^2.0.1",
-				"postcss-discard-empty": "^2.0.1",
-				"postcss-discard-overridden": "^0.1.1",
-				"postcss-discard-unused": "^2.2.1",
-				"postcss-filter-plugins": "^2.0.0",
-				"postcss-merge-idents": "^2.1.5",
-				"postcss-merge-longhand": "^2.0.1",
-				"postcss-merge-rules": "^2.0.3",
-				"postcss-minify-font-values": "^1.0.2",
-				"postcss-minify-gradients": "^1.0.1",
-				"postcss-minify-params": "^1.0.4",
-				"postcss-minify-selectors": "^2.0.4",
-				"postcss-normalize-charset": "^1.1.0",
-				"postcss-normalize-url": "^3.0.7",
-				"postcss-ordered-values": "^2.1.0",
-				"postcss-reduce-idents": "^2.2.2",
-				"postcss-reduce-initial": "^1.0.0",
-				"postcss-reduce-transforms": "^1.0.3",
-				"postcss-svgo": "^2.1.1",
-				"postcss-unique-selectors": "^2.0.2",
-				"postcss-value-parser": "^3.2.3",
-				"postcss-zindex": "^2.0.1"
+				"mdn-data": "2.0.4",
+				"source-map": "^0.5.3"
+			}
+		},
+		"css-unit-converter": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/css-unit-converter/-/css-unit-converter-1.1.1.tgz",
+			"integrity": "sha1-2bkoGtz9jO2TW9urqDeGiX9k6ZY=",
+			"dev": true
+		},
+		"css-what": {
+			"version": "2.1.3",
+			"resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+			"integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==",
+			"dev": true
+		},
+		"cssesc": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/cssesc/-/cssesc-2.0.0.tgz",
+			"integrity": "sha512-MsCAG1z9lPdoO/IUMLSBWBSVxVtJ1395VGIQ+Fc2gNdkQ1hNDnQdw3YhA71WJCBW1vdwA0cAnk/DnW6bqoEUYg==",
+			"dev": true
+		},
+		"cssnano": {
+			"version": "4.1.10",
+			"resolved": "https://registry.npmjs.org/cssnano/-/cssnano-4.1.10.tgz",
+			"integrity": "sha512-5wny+F6H4/8RgNlaqab4ktc3e0/blKutmq8yNlBFXA//nSFFAqAngjNVRzUvCgYROULmZZUoosL/KSoZo5aUaQ==",
+			"dev": true,
+			"requires": {
+				"cosmiconfig": "^5.0.0",
+				"cssnano-preset-default": "^4.0.7",
+				"is-resolvable": "^1.0.0",
+				"postcss": "^7.0.0"
 			},
 			"dependencies": {
-				"ansi-styles": {
-					"version": "2.2.1",
-					"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-					"integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-					"dev": true
-				},
-				"autoprefixer": {
-					"version": "6.7.7",
-					"resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-6.7.7.tgz",
-					"integrity": "sha1-Hb0cg1ZY41zj+ZhAmdsAWFx4IBQ=",
+				"cosmiconfig": {
+					"version": "5.2.1",
+					"resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.2.1.tgz",
+					"integrity": "sha512-H65gsXo1SKjf8zmrJ67eJk8aIRKV5ff2D4uKZIBZShbhGSpEmsQOPW/SKMKYhSTrqR7ufy6RP69rPogdaPh/kA==",
 					"dev": true,
 					"requires": {
-						"browserslist": "^1.7.6",
-						"caniuse-db": "^1.0.30000634",
-						"normalize-range": "^0.1.2",
-						"num2fraction": "^1.2.2",
-						"postcss": "^5.2.16",
-						"postcss-value-parser": "^3.2.3"
+						"import-fresh": "^2.0.0",
+						"is-directory": "^0.3.1",
+						"js-yaml": "^3.13.1",
+						"parse-json": "^4.0.0"
 					}
 				},
-				"browserslist": {
-					"version": "1.7.7",
-					"resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.7.tgz",
-					"integrity": "sha1-C9dnBCWL6CmyOYu1Dkti0aFmsLk=",
+				"parse-json": {
+					"version": "4.0.0",
+					"resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+					"integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
 					"dev": true,
 					"requires": {
-						"caniuse-db": "^1.0.30000639",
-						"electron-to-chromium": "^1.2.7"
-					}
-				},
-				"chalk": {
-					"version": "1.1.3",
-					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-					"dev": true,
-					"requires": {
-						"ansi-styles": "^2.2.1",
-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
-					},
-					"dependencies": {
-						"supports-color": {
-							"version": "2.0.0",
-							"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-							"integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-							"dev": true
-						}
-					}
-				},
-				"has-flag": {
-					"version": "1.0.0",
-					"resolved": "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz",
-					"integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
-					"dev": true
-				},
-				"postcss": {
-					"version": "5.2.18",
-					"resolved": "https://registry.npmjs.org/postcss/-/postcss-5.2.18.tgz",
-					"integrity": "sha512-zrUjRRe1bpXKsX1qAJNJjqZViErVuyEkMTRrwu4ud4sbTtIBRmtaYDrHmcGgmrbsW3MHfmtIf+vJumgQn+PrXg==",
-					"dev": true,
-					"requires": {
-						"chalk": "^1.1.3",
-						"js-base64": "^2.1.9",
-						"source-map": "^0.5.6",
-						"supports-color": "^3.2.3"
-					}
-				},
-				"supports-color": {
-					"version": "3.2.3",
-					"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
-					"integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
-					"dev": true,
-					"requires": {
-						"has-flag": "^1.0.0"
+						"error-ex": "^1.3.1",
+						"json-parse-better-errors": "^1.0.1"
 					}
 				}
 			}
 		},
-		"csso": {
-			"version": "2.3.2",
-			"resolved": "https://registry.npmjs.org/csso/-/csso-2.3.2.tgz",
-			"integrity": "sha1-3dUsWHAz9J6Utx/FVWnyUuj/X4U=",
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+			"resolved": "https://registry.npmjs.org/rgb-regex/-/rgb-regex-1.0.1.tgz",
+			"integrity": "sha1-wODWiC3w4jviVKR16O3UGRX+rrE=",
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@@ -11195,6 +9919,12 @@
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-			"integrity": "sha1-n1dyQTlSE1xv779Ar+ak+qiLS7U=",
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+			"resolved": "https://registry.npmjs.org/svgo/-/svgo-1.3.0.tgz",
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@@ -12709,6 +11421,12 @@
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@@ -13086,6 +11804,12 @@
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+			"dev": true
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@@ -13200,6 +11924,16 @@
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+			"resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.0.tgz",
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diff --git a/package.json b/package.json
index dd1f1e7d42..4f7a0d7d5a 100644
--- a/package.json
+++ b/package.json
@@ -48,10 +48,10 @@
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 		"braces": "^3.0.2",
+		"cssnano": "^4.1.10",
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-	}
+	},
+	"dependencies": {}
 }