diff --git a/package-lock.json b/package-lock.json
index f3d2fa2..79c4d9e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,23 +13,14 @@
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@@ -41,7 +32,7 @@
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         "css-mquery-packer": "^1.2.4",
         "esbuild": "^0.11.7",
-        "postcss": "^8.2.9",
+        "postcss": "^8.3.9",
         "postcss-cli": "^8.3.1",
         "punycode": "^2.1.1",
         "snowpack": "^3.2.2",
@@ -1843,7 +1834,6 @@
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@@ -2521,12 +2511,11 @@
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+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.23.tgz",
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-      "license": "MIT",
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-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.22.tgz",
-      "integrity": "sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ==",
+      "version": "3.1.28",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.28.tgz",
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@@ -5263,6 +5251,12 @@
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+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
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@@ -5294,14 +5288,14 @@
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+      "version": "8.3.9",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.9.tgz",
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-        "colorette": "^1.2.2",
-        "nanoid": "^3.1.22",
-        "source-map": "^0.6.1"
+        "nanoid": "^3.1.28",
+        "picocolors": "^0.2.1",
+        "source-map-js": "^0.6.2"
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@@ -6634,9 +6628,6 @@
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@@ -7046,7 +7037,6 @@
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-        "fsevents": "^2.2.0",
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         "picomatch": "^2.2.2",
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@@ -7094,9 +7084,6 @@
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-      "dependencies": {
-        "fsevents": "~2.1.2"
-      },
       "bin": {
         "rollup": "dist/bin/rollup"
       },
@@ -7140,6 +7127,15 @@
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+    "node_modules/source-map-js": {
+      "version": "0.6.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
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+      "devOptional": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.3.tgz",
@@ -9142,8 +9138,7 @@
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         "debug": "^4.1.1",
         "is-observable": "^1.1.0",
-        "observable-fns": "^0.5.1",
-        "tiny-worker": ">= 2"
+        "observable-fns": "^0.5.1"
       },
       "optionalDependencies": {
         "tiny-worker": ">= 2"
@@ -9843,6 +9838,7 @@
         "@codemirror/language": "^0.18.1",
         "@codemirror/language-data": "^0.18.0",
         "@codemirror/legacy-modes": "^0.18.0",
+        "@codemirror/lint": "^0.18.1",
         "@codemirror/matchbrackets": "^0.18.0",
         "@codemirror/rangeset": "^0.18.0",
         "@codemirror/rectangular-selection": "^0.18.0",
@@ -11591,6 +11587,7 @@
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         "@codemirror/language-data": "^0.18.0",
         "@codemirror/legacy-modes": "^0.18.0",
+        "@codemirror/lint": "^0.18.1",
         "@codemirror/matchbrackets": "^0.18.0",
         "@codemirror/rangeset": "^0.18.0",
         "@codemirror/rectangular-selection": "^0.18.0",
@@ -12087,9 +12084,9 @@
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-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.7.tgz",
-      "integrity": "sha512-rY+jA0TiCFVLcvxUbbp+yQ9EEBXDsfIU4rsY7RKJEsx/fjjRFjyGnamRCBwUZQspK37G9We6xAkX7IibGA24AA==",
+      "version": "0.11.23",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.11.23.tgz",
+      "integrity": "sha512-iaiZZ9vUF5wJV8ob1tl+5aJTrwDczlvGP0JoMmnpC2B0ppiMCu8n8gmy5ZTGl5bcG081XBVn+U+jP+mPFm5T5Q==",
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@@ -13852,9 +13849,9 @@
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     "nanoid": {
-      "version": "3.1.22",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.22.tgz",
-      "integrity": "sha512-/2ZUaJX2ANuLtTvqTlgqBQNJoQO398KyJgZloL0PZkC0dpysjncRUPsFe3DUPzz/y3h+u7C46np8RMuvF3jsSQ==",
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+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.28.tgz",
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@@ -14189,6 +14186,12 @@
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       "devOptional": true
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+    "picocolors": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-0.2.1.tgz",
+      "integrity": "sha512-cMlDqaLEqfSaW8Z7N5Jw+lyIW869EzT73/F5lhtY9cLGoVxSXznfgfXMO0Z5K0o0Q2TkTXq+0KFsdnSe3jDViA==",
+      "devOptional": true
+    },
     "picomatch": {
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       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -14208,14 +14211,14 @@
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-      "version": "8.2.9",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.9.tgz",
-      "integrity": "sha512-b+TmuIL4jGtCHtoLi+G/PisuIl9avxs8IZMSmlABRwNz5RLUUACrC+ws81dcomz1nRezm5YPdXiMEzBEKgYn+Q==",
+      "version": "8.3.9",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.9.tgz",
+      "integrity": "sha512-f/ZFyAKh9Dnqytx5X62jgjhhzttjZS7hMsohcI7HEI5tjELX/HxCy3EFhsRxyzGvrzFF+82XPvCS8T9TFleVJw==",
       "devOptional": true,
       "requires": {
-        "colorette": "^1.2.2",
-        "nanoid": "^3.1.22",
-        "source-map": "^0.6.1"
+        "nanoid": "^3.1.28",
+        "picocolors": "^0.2.1",
+        "source-map-js": "^0.6.2"
       }
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     "postcss-cli": {
@@ -15643,6 +15646,12 @@
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+    "source-map-js": {
+      "version": "0.6.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
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diff --git a/package.json b/package.json
index 49ef1de..30b876c 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "autoprefixer": "^10.2.5",
     "css-mquery-packer": "^1.2.4",
     "esbuild": "^0.11.7",
-    "postcss": "^8.2.9",
+    "postcss": "^8.3.9",
     "postcss-cli": "^8.3.1",
     "punycode": "^2.1.1",
     "snowpack": "^3.2.2",