diff --git a/package-lock.json b/package-lock.json
index 4e41576..0a2b5ad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5358,54 +5358,14 @@
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-      "resolved": "https://registry.npmjs.org/css-selector-tokenizer/-/css-selector-tokenizer-0.7.1.tgz",
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+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/css-selector-tokenizer/-/css-selector-tokenizer-0.7.2.tgz",
+      "integrity": "sha512-yj856NGuAymN6r8bn8/Jl46pR+OC3eEvAhfGYDUe7YPtTPAYrSSw4oAniZ9Y8T5B92hjhwTBLUen0/vKPxf6pw==",
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-        "fastparse": "^1.1.1",
-        "regexpu-core": "^1.0.0"
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-          "resolved": "https://registry.npmjs.org/cssesc/-/cssesc-0.1.0.tgz",
-          "integrity": "sha1-yBSQPkViM3GgR3tAEJqq++6t27Q=",
-          "dev": true
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-          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
-          "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
-          "dev": true
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-          "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-1.0.0.tgz",
-          "integrity": "sha1-hqdj9Y7k18L2sQLkdkBQ3n7ZDGs=",
-          "dev": true,
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-          "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
-          "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
-          "dev": true
-        },
-        "regjsparser": {
-          "version": "0.1.5",
-          "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
-          "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
-          "dev": true,
-          "requires": {
-            "jsesc": "~0.5.0"
-          }
-        }
+        "cssesc": "^3.0.0",
+        "fastparse": "^1.1.2",
+        "regexpu-core": "^4.6.0"
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@@ -5528,12 +5488,36 @@
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-      "resolved": "https://registry.npmjs.org/csso/-/csso-4.0.2.tgz",
-      "integrity": "sha512-kS7/oeNVXkHWxby5tHVxlhjizRCSv8QdU7hB2FpdAibDU8FjTAolhNjKNTiLzXtUrKT6HwClE81yXwEk1309wg==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/csso/-/csso-4.0.3.tgz",
+      "integrity": "sha512-NL3spysxUkcrOgnpsT4Xdl2aiEiBG6bXswAABQVHcMrfjjBisFOKwLDOmf4wf32aPdcJws1zds2B0Rg+jqMyHQ==",
       "dev": true,
       "requires": {
-        "css-tree": "1.0.0-alpha.37"
+        "css-tree": "1.0.0-alpha.39"
+      },
+      "dependencies": {
+        "css-tree": {
+          "version": "1.0.0-alpha.39",
+          "resolved": "https://registry.npmjs.org/css-tree/-/css-tree-1.0.0-alpha.39.tgz",
+          "integrity": "sha512-7UvkEYgBAHRG9Nt980lYxjsTrCyHFN53ky3wVsDkiMdVqylqRt+Zc+jm5qw7/qyOvN2dHSYtX0e4MbCCExSvnA==",
+          "dev": true,
+          "requires": {
+            "mdn-data": "2.0.6",
+            "source-map": "^0.6.1"
+          }
+        },
+        "mdn-data": {
+          "version": "2.0.6",
+          "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-2.0.6.tgz",
+          "integrity": "sha512-rQvjv71olwNHgiTbfPZFkJtjNMciWgswYeciZhtvWLO8bmX3TnhyA62I6sTWOyZssWHJJjY6/KiWwqQsWWsqOA==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
       }
     },
     "cssom": {
@@ -13830,12 +13814,6 @@
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       "dev": true
     },
-    "reserved-words": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/reserved-words/-/reserved-words-0.1.2.tgz",
-      "integrity": "sha1-AKCUD5jNUBrqqsMWQR2a3FKzGrE=",
-      "dev": true
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       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.12.0.tgz",
@@ -14015,9 +13993,9 @@
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     "rollup-plugin-postcss": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-postcss/-/rollup-plugin-postcss-2.1.1.tgz",
-      "integrity": "sha512-A9G3VGnWwfjlb5REp992+9NEosY0KdrysXYytNFCy107+QlZaRzIgHQYwBQ67BYlV8K4t0Yk2ukySFQceneUKA==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-postcss/-/rollup-plugin-postcss-2.5.0.tgz",
+      "integrity": "sha512-tBba0iMOY+eH1bP2rUhO/WK45uTRdRbuM5yWViO7tUChUrgA+JSQJscpCpStebPZoFxRwfkJRk2PZHd1q+JY2A==",
       "dev": true,
       "requires": {
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@@ -14030,9 +14008,9 @@
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         "postcss-modules": "^1.4.1",
         "promise.series": "^0.2.0",
-        "reserved-words": "^0.1.2",
         "resolve": "^1.5.0",
         "rollup-pluginutils": "^2.0.1",
+        "safe-identifier": "^0.3.1",
         "style-inject": "^0.3.0"
       },
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@@ -14164,6 +14142,12 @@
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       "dev": true
     },
+    "safe-identifier": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/safe-identifier/-/safe-identifier-0.3.1.tgz",
+      "integrity": "sha512-+vr9lVsmciuoP1fz8w30qDcohwH2S/tb5dPGQ8zHmG9jQf7YHU2fIKGxxcDpeY38J0Dep+DdPMz8FszVZT0Mbw==",
+      "dev": true
+    },
     "safe-regex": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
diff --git a/package.json b/package.json
index 6070a0e..94de402 100644
--- a/package.json
+++ b/package.json
@@ -103,7 +103,7 @@
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-postcss": "^2.1.1",
+    "rollup-plugin-postcss": "^2.5.0",
     "rollup-plugin-replace": "^2.1.0",
     "rollup-plugin-terser": "^5.2.0",
     "sass-loader": "^7.3.1",