diff --git a/package-lock.json b/package-lock.json
index fe48d9a..2dfc4be 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,12 +28,12 @@
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       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU="
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-      "resolved": "https://registry.npmjs.org/ansi-cyan/-/ansi-cyan-0.1.1.tgz",
-      "integrity": "sha1-U4rlKK+JgvKK4w2G8vF0VtJgmHM=",
+    "ansi-colors": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
+      "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
       "requires": {
-        "ansi-wrap": "0.1.0"
+        "ansi-wrap": "^0.1.0"
       }
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@@ -44,14 +44,6 @@
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-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-red/-/ansi-red-0.1.1.tgz",
-      "integrity": "sha1-jGOPnRCAgAo1PJwoyKgcpHBdlGw=",
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@@ -109,9 +101,9 @@
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-      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-2.1.0.tgz",
-      "integrity": "sha1-IPnqtexw9cfSFbEHexw5Fh0pLH0="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/arr-union/-/arr-union-3.1.0.tgz",
+      "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ="
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@@ -123,11 +115,6 @@
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-      "resolved": "https://registry.npmjs.org/array-slice/-/array-slice-0.2.3.tgz",
-      "integrity": "sha1-3Tz7gO15c6dRF82sabC5nshhhvU="
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@@ -158,6 +145,11 @@
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       "integrity": "sha1-7nQAlBMALYTOxyGcasgRgS5yMWA="
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+    "assign-symbols": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
+      "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
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@@ -194,15 +186,15 @@
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-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-7.2.6.tgz",
-      "integrity": "sha512-Iq8TRIB+/9eQ8rbGhcP7ct5cYb/3qjNYAR2SnzLCEcwF6rvVOax8+9+fccgXk4bEhQGjOZd5TLhsksmAdsbGqQ==",
+      "version": "8.6.5",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-8.6.5.tgz",
+      "integrity": "sha512-PLWJN3Xo/rycNkx+mp8iBDMTm3FeWe4VmYaZDSqL5QQB9sLsQkG5k8n+LNDFnhh9kdq2K+egL/icpctOmDHwig==",
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-        "caniuse-lite": "^1.0.30000805",
+        "browserslist": "^3.2.8",
+        "caniuse-lite": "^1.0.30000864",
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         "num2fraction": "^1.2.2",
-        "postcss": "^6.0.17",
+        "postcss": "^6.0.23",
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@@ -412,12 +404,12 @@
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-      "integrity": "sha512-yWu5cXT7Av6mVwzWc8lMsJMHWn4xyjSuGYi4IozbVTLUOEYPSagUB8kiMDUHA1fS3zjr8nkxkn9jdvug4BBRmA==",
+      "version": "3.2.8",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-3.2.8.tgz",
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-        "electron-to-chromium": "^1.3.30"
+        "caniuse-lite": "^1.0.30000844",
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@@ -462,9 +454,9 @@
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+      "version": "1.0.30000864",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000864.tgz",
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@@ -548,17 +540,17 @@
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-      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.1.tgz",
-      "integrity": "sha512-mjGanIiwQJskCC18rPR6OmrZ6fm2Lc7PeGFYwCmy5J34wC6F1PzdGL6xeMfmgicfYcNLGuVFA3WzXtIDCQSZxQ==",
+      "version": "1.9.2",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.2.tgz",
+      "integrity": "sha512-3NUJZdhMhcdPn8vJ9v2UQJoH0qqoGUkYTgFEPZaPjEtwmmKUfNV46zZmgB2M5M4DCEQHMaCfWHCxiBflLm04Tg==",
       "requires": {
-        "color-name": "^1.1.1"
+        "color-name": "1.1.1"
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-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha1-SxQVMEz1ACjqgWQ2Q72C6gWANok="
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@@ -862,9 +854,9 @@
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-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.48.tgz",
-      "integrity": "sha1-07DYWTgUBE4JLs4hCPw6ya6kuQA="
+      "version": "1.3.51",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.51.tgz",
+      "integrity": "sha1-akK0nar38ipbN7mR2vlJ8029ubU="
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@@ -1044,17 +1036,21 @@
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-      "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-1.1.4.tgz",
-      "integrity": "sha1-Gda/lN/AnXa6cR85uHLSH/TdkHE=",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-3.0.2.tgz",
+      "integrity": "sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=",
       "requires": {
-        "kind-of": "^1.1.0"
+        "assign-symbols": "^1.0.0",
+        "is-extendable": "^1.0.1"
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-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
-          "integrity": "sha1-FAo9LUGjbS78+pN3tiwk+ElaXEQ="
+        "is-extendable": {
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+          "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz",
+          "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==",
+          "requires": {
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+          }
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@@ -1235,7 +1231,8 @@
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           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -1253,11 +1250,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -1270,15 +1269,18 @@
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         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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         "core-util-is": {
           "version": "1.0.2",
@@ -1381,7 +1383,8 @@
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         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -1391,6 +1394,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1403,17 +1407,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -1430,6 +1437,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1502,7 +1510,8 @@
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           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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           "version": "4.1.1",
@@ -1512,6 +1521,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1587,7 +1597,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -1617,6 +1628,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
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@@ -1634,6 +1646,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1672,11 +1685,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -1984,13 +1999,13 @@
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     "gulp-autoprefixer": {
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-      "resolved": "https://registry.npmjs.org/gulp-autoprefixer/-/gulp-autoprefixer-4.1.0.tgz",
-      "integrity": "sha1-Bkr3PMAsrayP800L+T/9+5TqEqo=",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/gulp-autoprefixer/-/gulp-autoprefixer-5.0.0.tgz",
+      "integrity": "sha1-gjfCeKaXdScKHK/n1vEBz81YVUQ=",
       "requires": {
-        "autoprefixer": "^7.0.0",
+        "autoprefixer": "^8.0.0",
         "fancy-log": "^1.3.2",
-        "plugin-error": "^0.1.2",
+        "plugin-error": "^1.0.1",
         "postcss": "^6.0.1",
         "through2": "^2.0.0",
         "vinyl-sourcemaps-apply": "^0.2.0"
@@ -2388,6 +2403,21 @@
         "kind-of": "^3.0.2"
       }
     },
+    "is-plain-object": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-2.0.4.tgz",
+      "integrity": "sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==",
+      "requires": {
+        "isobject": "^3.0.1"
+      },
+      "dependencies": {
+        "isobject": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz",
+          "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8="
+        }
+      }
+    },
     "is-posix-bracket": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz",
@@ -3434,25 +3464,20 @@
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-      "resolved": "https://registry.npmjs.org/plugin-error/-/plugin-error-0.1.2.tgz",
-      "integrity": "sha1-O5uzM1zPAPQl4HQ34ZJ2ln2kes4=",
-      "requires": {
-        "ansi-cyan": "^0.1.1",
-        "ansi-red": "^0.1.1",
-        "arr-diff": "^1.0.1",
-        "arr-union": "^2.0.1",
-        "extend-shallow": "^1.1.2"
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/plugin-error/-/plugin-error-1.0.1.tgz",
+      "integrity": "sha512-L1zP0dk7vGweZME2i+EeakvUNqSrdiI3F91TwEoYiGrAfUXmVv6fJIq4g82PAXxNsWOp0J7ZqQy/3Szz0ajTxA==",
+      "requires": {
+        "ansi-colors": "^1.0.1",
+        "arr-diff": "^4.0.0",
+        "arr-union": "^3.1.0",
+        "extend-shallow": "^3.0.2"
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       "dependencies": {
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-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-1.1.0.tgz",
-          "integrity": "sha1-aHwydYFjWI/vfeezb6vklesaOZo=",
-          "requires": {
-            "arr-flatten": "^1.0.1",
-            "array-slice": "^0.2.3"
-          }
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
+          "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA="
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@@ -3472,9 +3497,9 @@
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-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.22.tgz",
-      "integrity": "sha512-Toc9lLoUASwGqxBSJGTVcOQiDqjK+Z2XlWBg+IgYwQMY9vA2f7iMpXVc1GpPcfTSyM5lkxNo0oDwDRO+wm7XHA==",
+      "version": "6.0.23",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.23.tgz",
+      "integrity": "sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==",
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diff --git a/package.json b/package.json
index efaa251..1374c27 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "browser": "^0.2.6",
     "browser-sync": "^2.17.0",
     "gulp": "^3.9.1",
-    "gulp-autoprefixer": "^4.0.0",
+    "gulp-autoprefixer": "^5.0.0",
     "gulp-cli": "^1.2.2",
     "gulp-plumber": "^1.1.0",
     "gulp-sass": "^3.1.0"