diff --git a/package-lock.json b/package-lock.json
index 327842e3..81e89901 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "resolved": "https://registry.npmjs.org/@fullhuman/postcss-purgecss/-/postcss-purgecss-1.2.0.tgz",
       "integrity": "sha512-An05jbnZVUrX+VVNniaNQtOuo/S7tyQu5x86itXTF+7kfMaGxglFGykFX2KCt2hcbJijbvfCval9IkPO19V1KA==",
       "requires": {
-        "postcss": "7.0.17",
+        "postcss": "7.0.36",
         "purgecss": "1.3.0"
       }
     },
@@ -150,7 +150,7 @@
         "chalk": "2.4.2",
         "normalize-range": "0.1.2",
         "num2fraction": "1.2.2",
-        "postcss": "7.0.17",
+        "postcss": "7.0.36",
         "postcss-value-parser": "4.0.0"
       }
     },
@@ -806,7 +806,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -824,11 +825,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -841,15 +844,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -952,7 +958,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -962,6 +969,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -974,17 +982,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.2",
             "yallist": "3.0.3"
@@ -1001,6 +1012,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1073,7 +1085,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1083,6 +1096,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -1158,7 +1172,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1188,6 +1203,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -1205,6 +1221,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -1243,11 +1260,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -1998,13 +2017,13 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "7.0.17",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.17.tgz",
-      "integrity": "sha512-546ZowA+KZ3OasvQZHsbuEpysvwTZNGJv9EfyCQdsIDltPSWHAeTQ5fQy/Npi2ZDtLI3zs7Ps/p6wThErhm9fQ==",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "requires": {
-        "chalk": "2.4.2",
-        "source-map": "0.6.1",
-        "supports-color": "6.1.0"
+        "chalk": "^2.4.2",
+        "source-map": "^0.6.1",
+        "supports-color": "^6.1.0"
       }
     },
     "postcss-cli": {
@@ -2018,7 +2037,7 @@
         "fs-extra": "7.0.1",
         "get-stdin": "6.0.0",
         "globby": "9.2.0",
-        "postcss": "7.0.17",
+        "postcss": "7.0.36",
         "postcss-load-config": "2.1.0",
         "postcss-reporter": "6.0.1",
         "pretty-hrtime": "1.0.3",
@@ -2145,7 +2164,7 @@
       "resolved": "https://registry.npmjs.org/postcss-import/-/postcss-import-12.0.1.tgz",
       "integrity": "sha512-3Gti33dmCjyKBgimqGxL3vcV8w9+bsHwO5UrBawp796+jdardbcFl4RP5w/76BwNL7aGzpKstIfF9I+kdE8pTw==",
       "requires": {
-        "postcss": "7.0.17",
+        "postcss": "7.0.36",
         "postcss-value-parser": "3.3.1",
         "read-cache": "1.0.0",
         "resolve": "1.12.0"
@@ -2182,7 +2201,7 @@
       "requires": {
         "deep-get-set": "1.1.0",
         "kind-of": "6.0.2",
-        "postcss": "7.0.17"
+        "postcss": "7.0.36"
       }
     },
     "postcss-reporter": {
@@ -2193,7 +2212,7 @@
         "chalk": "2.4.2",
         "lodash": "4.17.15",
         "log-symbols": "2.2.0",
-        "postcss": "7.0.17"
+        "postcss": "7.0.36"
       }
     },
     "postcss-selector-parser": {
@@ -2241,7 +2260,7 @@
       "integrity": "sha512-0UMnr8aUsPO7RbzAT72UELRvwMHhadtuunDm7rcgRS6b8pCVO8yglIqikiYFwQk2XP606mk+GpjI1G74Auxgtg==",
       "requires": {
         "glob": "7.1.4",
-        "postcss": "7.0.17",
+        "postcss": "7.0.36",
         "postcss-selector-parser": "6.0.2",
         "yargs": "13.3.0"
       }