diff --git a/cli.js b/cli.js
index 29f66e1..51cf935 100644
--- a/cli.js
+++ b/cli.js
@@ -77,9 +77,9 @@ const configFile = readFilePromise(resolve(cli.flags.config), 'utf8')
 
 // Read input and config
 Promise.all([cssFile, configFile])
-	.then(([css, config]) => ({
+	.then(([css, configJson]) => ({
 		css,
-		config: parseJson(stripJsonComments(config))
+		config: parseJson(stripJsonComments(configJson), cli.flags.config)
 	}))
 
 	// Generate CSS stats from CSS input
@@ -99,7 +99,7 @@ Promise.all([cssFile, configFile])
 		process.exit(testsPassed ? TEST_SUCCESS_CODE : TEST_FAILURE_CODE)
 	})
 	.catch(error => {
-		console.log('\n', error)
+		console.log('\n', logSymbols.error, error.message)
 		process.exit(APPLICATION_ERROR_CODE)
 	})
 
diff --git a/package-lock.json b/package-lock.json
index f91fd39..38b585e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,52 +4,22 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@mrmlnc/readdir-enhanced": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz",
-      "integrity": "sha512-bPHp6Ji8b41szTOcaP63VlnbbO5Ny6dwAATtY6JTjh5N2OLrb5Qk/Th5cRkRQhkWCt+EJsYrNB0MiL+Gpn6e3g==",
-      "dev": true,
-      "requires": {
-        "call-me-maybe": "^1.0.1",
-        "glob-to-regexp": "^0.3.0"
-      }
-    },
-    "@nodelib/fs.stat": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-1.1.0.tgz",
-      "integrity": "sha512-LAQ1d4OPfSJ/BMbI2DuizmYrrkD9JMaTdi2hQTlI53lQ4kRQPyZQRS4CYQ7O66bnBBnP/oYdRxbk++X0xuFU6A==",
-      "dev": true
-    },
     "@projectwallace/css-analyzer": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@projectwallace/css-analyzer/-/css-analyzer-1.3.1.tgz",
-      "integrity": "sha512-y16Ywa6DEjuQyEqo/tStCmc9UbRD8nqyCh9FLVHlEwT8nkr9EmYhy++LpwMs6iS/0wbVaCvcsWWU5FqAao+DQQ==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/@projectwallace/css-analyzer/-/css-analyzer-1.5.0.tgz",
+      "integrity": "sha512-F6KXCcUAsj0BizdSxcFqMphGK3/jlgMYkp1jkrf6ZigAMa7oiYxTuDKWjYl86DHGyyqon3FQI62rHWhzWQHaoA==",
       "requires": {
+        "color-sorter": "^2.2.0",
         "css-color-names": "^0.0.4",
         "css-shorthand-expand": "^1.2.0",
         "css-unit-sort": "^1.1.1",
         "path": "^0.12.7",
-        "postcss": "^7.0.1",
+        "postcss": "^7.0.2",
         "postcss-values-parser": "^1.5.0",
-        "specificity": "^0.4.0",
+        "specificity": "^0.4.1",
         "tinycolor2": "^1.4.1"
       }
     },
-    "acorn": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
-      "integrity": "sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ==",
-      "dev": true
-    },
-    "acorn-jsx": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-4.1.1.tgz",
-      "integrity": "sha512-JY+iV6r+cO21KtntVvFkD+iqjtdpRUpGqKWgfkCdZq1R+kbreEl8EcdcJR4SmiIgsIQT33s6QzheQ9a275Q8xw==",
-      "dev": true,
-      "requires": {
-        "acorn": "^5.0.3"
-      }
-    },
     "ajv": {
       "version": "5.5.2",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
@@ -61,38 +31,11 @@
         "json-schema-traverse": "^0.3.0"
       }
     },
-    "ajv-keywords": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.2.0.tgz",
-      "integrity": "sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo=",
-      "dev": true
-    },
-    "ansi-align": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-2.0.0.tgz",
-      "integrity": "sha1-w2rsy6VjuJzrVW82kPCx2eNUf38=",
-      "dev": true,
-      "requires": {
-        "string-width": "^2.0.0"
-      }
-    },
-    "ansi-escapes": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.1.0.tgz",
-      "integrity": "sha512-UgAb8H9D41AQnu/PbWlCofQVcnV4Gs2bBJi9eZPxfU/hgglFh3SMDMENRIqdr7H6XFnXdoknctFByVsCOotTVw==",
-      "dev": true
-    },
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
       "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
     },
-    "ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
-    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -101,44 +44,11 @@
         "sprintf-js": "~1.0.2"
       }
     },
-    "arr-flatten": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
-      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
-      "dev": true
-    },
-    "arr-union": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
-      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=",
-      "dev": true
-    },
-    "array-differ": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/array-differ/-/array-differ-1.0.0.tgz",
-      "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=",
-      "dev": true
-    },
     "array-find-index": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
       "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E="
     },
-    "array-union": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
-      "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
-      "dev": true,
-      "requires": {
-        "array-uniq": "^1.0.1"
-      }
-    },
-    "array-uniq": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/array-uniq/-/array-uniq-1.0.3.tgz",
-      "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=",
-      "dev": true
-    },
     "arrify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
@@ -157,23 +67,11 @@
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
-    "assign-symbols": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
-      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
-      "dev": true
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
       "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
     },
-    "atob": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.1.tgz",
-      "integrity": "sha1-ri1acpR38onWDdf5amMUoi3Wwio=",
-      "dev": true
-    },
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -184,107 +82,11 @@
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
       "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
     },
-    "babel-code-frame": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
-      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
-      "dev": true,
-      "requires": {
-        "chalk": "^1.1.3",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.2"
-      },
-      "dependencies": {
-        "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"
-          }
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^2.0.0"
-          }
-        }
-      }
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
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-      "version": "0.11.2",
-      "resolved": "https://registry.npmjs.org/base/-/base-0.11.2.tgz",
-      "integrity": "sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==",
-      "dev": true,
-      "requires": {
-        "cache-base": "^1.0.1",
-        "class-utils": "^0.3.5",
-        "component-emitter": "^1.2.1",
-        "define-property": "^1.0.0",
-        "isobject": "^3.0.1",
-        "mixin-deep": "^1.2.0",
-        "pascalcase": "^0.1.1"
-      },
-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/define-property/-/define-property-1.0.0.tgz",
-          "integrity": "sha1-dp66rz9KY6rTr56NMEybvnm/sOY=",
-          "dev": true,
-          "requires": {
-            "is-descriptor": "^1.0.0"
-          }
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-        "is-accessor-descriptor": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz",
-          "integrity": "sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==",
-          "dev": true,
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-          }
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-        "is-data-descriptor": {
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-          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz",
-          "integrity": "sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==",
-          "dev": true,
-          "requires": {
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-          }
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-        "is-descriptor": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/is-descriptor/-/is-descriptor-1.0.2.tgz",
-          "integrity": "sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==",
-          "dev": true,
-          "requires": {
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-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
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-        "isobject": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-          "dev": true
-        }
-      }
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     "bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
@@ -304,29 +106,6 @@
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
       "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA=="
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-    "boxen": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/boxen/-/boxen-1.3.0.tgz",
-      "integrity": "sha512-TNPjfTr432qx7yOjQyaXm3dSR0MH9vXp7eT1BFSl/C51g+EFnOR9hTg1IreahGBmDNCehscshe45f+C1TBZbLw==",
-      "dev": true,
-      "requires": {
-        "ansi-align": "^2.0.0",
-        "camelcase": "^4.0.0",
-        "chalk": "^2.0.1",
-        "cli-boxes": "^1.0.0",
-        "string-width": "^2.0.0",
-        "term-size": "^1.2.0",
-        "widest-line": "^2.0.0"
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-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
-          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
-          "dev": true
-        }
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     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -336,12 +115,6 @@
         "concat-map": "0.0.1"
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-      "resolved": "https://registry.npmjs.org/buf-compare/-/buf-compare-1.0.1.tgz",
-      "integrity": "sha1-/vKNqLgROgoNtEMLC2Rntpcws0o=",
-      "dev": true
-    },
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       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@@ -352,52 +125,6 @@
       "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
       "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8="
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-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
-      "integrity": "sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==",
-      "dev": true,
-      "requires": {
-        "collection-visit": "^1.0.0",
-        "component-emitter": "^1.2.1",
-        "get-value": "^2.0.6",
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-        "isobject": "^3.0.1",
-        "set-value": "^2.0.0",
-        "to-object-path": "^0.3.0",
-        "union-value": "^1.0.0",
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-          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
-          "dev": true
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-    },
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-      "dev": true
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-      "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
-      "dev": true,
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       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
@@ -413,12 +140,6 @@
         "quick-lru": "^1.0.0"
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@@ -452,103 +173,16 @@
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diff --git a/package.json b/package.json
index 3de47e6..80587d3 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "projectwallace"
   ],
   "dependencies": {
-    "@projectwallace/css-analyzer": "^1.3.1",
+    "@projectwallace/css-analyzer": "^1.5.0",
     "flat": "^4.1.0",
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@@ -30,8 +30,8 @@
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   },
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-    "prettier": "^1.14.2",
-    "xo": "^0.22.0"
+    "prettier": "^1.14.3",
+    "xo": "^0.23.0"
   },
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     "test": "xo"