diff --git a/package-lock.json b/package-lock.json
index 630e274..cd390f5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,46 +1,55 @@
 {
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+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.1.tgz",
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+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-6.0.0.tgz",
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       "dev": true,
       "requires": {
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+        "acorn": "^7.1.1",
+        "acorn-walk": "^7.1.1"
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+        }
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+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-7.2.0.tgz",
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-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
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@@ -64,12 +73,6 @@
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@@ -138,9 +141,9 @@
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-      "integrity": "sha1-Ql1opY00R/AqBKqJQYf86K+Le44=",
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@@ -168,12 +171,6 @@
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@@ -195,12 +192,6 @@
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@@ -230,18 +221,26 @@
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-      "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.3.2.tgz",
-      "integrity": "sha1-uANhcMefB6kP8vFuIihAJ6JDhIs=",
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-      "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-0.2.37.tgz",
-      "integrity": "sha1-VBCXI0yyUTyDzu06zdwn/yeYfVQ=",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-2.3.0.tgz",
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       "dev": true,
       "requires": {
-        "cssom": "0.3.x"
+        "cssom": "~0.3.6"
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+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.3.8.tgz",
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+          "dev": true
+        }
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@@ -261,6 +260,17 @@
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+      "resolved": "https://registry.npmjs.org/data-urls/-/data-urls-2.0.0.tgz",
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+      "requires": {
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@@ -270,10 +280,16 @@
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-      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
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@@ -289,10 +305,21 @@
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-      "dev": true
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+      "resolved": "https://registry.npmjs.org/domexception/-/domexception-2.0.1.tgz",
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+      "requires": {
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@@ -311,22 +338,22 @@
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-      "integrity": "sha1-mBGi8mXcHNOJRCDuNxcGS2MriFI=",
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@@ -338,15 +365,15 @@
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-      "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
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diff --git a/package.json b/package.json
index 51acf5b..3c7ceda 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
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