diff --git a/package-lock.json b/package-lock.json
index 24c4d3d..41348a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
         "eslint-config-prettier": "^8.3.0",
         "eslint-plugin-prettier": "^3.4.0",
         "eslint-plugin-vue": "^7.16.0",
-        "postcss": "^8.3.6",
+        "postcss": "^8.4.21",
         "prettier": "^2.3.2",
         "stylelint": "^13.13.1",
         "stylelint-config-rational-order": "^0.1.2",
@@ -4109,9 +4109,9 @@
       "dev": true
     },
     "node_modules/nanoid": {
-      "version": "3.1.25",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.25.tgz",
-      "integrity": "sha512-rdwtIXaXCLFAQbnfqDRnI6jaRHp9fTcYBjtFKE8eezcZ7LuLjhUaQGNeMXf1HmRoCH32CLz6XwX0TtxEOS/A3Q==",
+      "version": "3.3.4",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
+      "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
       "dev": true,
       "bin": {
         "nanoid": "bin/nanoid.cjs"
@@ -4486,6 +4486,12 @@
         "node": ">=8"
       }
     },
+    "node_modules/picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "node_modules/picomatch": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
@@ -4514,14 +4520,24 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.3.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.6.tgz",
-      "integrity": "sha512-wG1cc/JhRgdqB6WHEuyLTedf3KIRuD0hG6ldkFEZNCjRxiC+3i6kkWUUbiJQayP28iwG35cEmAbe98585BYV0A==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "dev": true,
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss"
+        }
+      ],
       "dependencies": {
-        "colorette": "^1.2.2",
-        "nanoid": "^3.1.23",
-        "source-map-js": "^0.6.2"
+        "nanoid": "^3.3.4",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -6084,9 +6100,9 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
       "dev": true,
       "engines": {
         "node": ">=0.10.0"
@@ -12026,9 +12042,9 @@
       "dev": true
     },
     "nanoid": {
-      "version": "3.1.25",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.25.tgz",
-      "integrity": "sha512-rdwtIXaXCLFAQbnfqDRnI6jaRHp9fTcYBjtFKE8eezcZ7LuLjhUaQGNeMXf1HmRoCH32CLz6XwX0TtxEOS/A3Q==",
+      "version": "3.3.4",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
+      "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
       "dev": true
     },
     "nanomatch": {
@@ -12323,6 +12339,12 @@
       "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
       "dev": true
     },
+    "picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "picomatch": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
@@ -12342,14 +12364,14 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.3.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.6.tgz",
-      "integrity": "sha512-wG1cc/JhRgdqB6WHEuyLTedf3KIRuD0hG6ldkFEZNCjRxiC+3i6kkWUUbiJQayP28iwG35cEmAbe98585BYV0A==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "dev": true,
       "requires": {
-        "colorette": "^1.2.2",
-        "nanoid": "^3.1.23",
-        "source-map-js": "^0.6.2"
+        "nanoid": "^3.3.4",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
       }
     },
     "postcss-js": {
@@ -13589,9 +13611,9 @@
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
     },
     "source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
       "dev": true
     },
     "source-map-resolve": {
diff --git a/package.json b/package.json
index ffa9444..673cdf0 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-vue": "^7.16.0",
-    "postcss": "^8.3.6",
+    "postcss": "^8.4.21",
     "prettier": "^2.3.2",
     "stylelint": "^13.13.1",
     "stylelint-config-rational-order": "^0.1.2",
diff --git a/yarn.lock b/yarn.lock
index 62466d4..e63f97e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2713,10 +2713,10 @@ ms@2.1.2:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
-nanoid@^3.1.23:
-  version "3.1.25"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.25.tgz#09ca32747c0e543f0e1814b7d3793477f9c8e152"
-  integrity sha512-rdwtIXaXCLFAQbnfqDRnI6jaRHp9fTcYBjtFKE8eezcZ7LuLjhUaQGNeMXf1HmRoCH32CLz6XwX0TtxEOS/A3Q==
+nanoid@^3.3.4:
+  version "3.3.4"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
+  integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -2973,6 +2973,11 @@ path-type@^4.0.0:
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
   integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
 
+picocolors@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/picocolors/-/picocolors-1.0.0.tgz#cb5bdc74ff3f51892236eaf79d68bc44564ab81c"
+  integrity sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==
+
 picomatch@^2.0.4, picomatch@^2.2.1, picomatch@^2.2.3:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.0.tgz#f1f061de8f6a4bf022892e2d128234fb98302972"
@@ -3195,14 +3200,14 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.13, postcss@^7.0.14, postcss@^7.0.1
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.1.10, postcss@^8.1.6, postcss@^8.2.1, postcss@^8.3.6:
-  version "8.3.6"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.6.tgz#2730dd76a97969f37f53b9a6096197be311cc4ea"
-  integrity sha512-wG1cc/JhRgdqB6WHEuyLTedf3KIRuD0hG6ldkFEZNCjRxiC+3i6kkWUUbiJQayP28iwG35cEmAbe98585BYV0A==
+postcss@^8.1.10, postcss@^8.1.6, postcss@^8.2.1, postcss@^8.3.6, postcss@^8.4.21:
+  version "8.4.21"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.21.tgz#c639b719a57efc3187b13a1d765675485f4134f4"
+  integrity sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==
   dependencies:
-    colorette "^1.2.2"
-    nanoid "^3.1.23"
-    source-map-js "^0.6.2"
+    nanoid "^3.3.4"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
 
 prelude-ls@^1.2.1:
   version "1.2.1"
@@ -3640,10 +3645,10 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-source-map-js@^0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-0.6.2.tgz#0bb5de631b41cfbda6cfba8bd05a80efdfd2385e"
-  integrity sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==
+source-map-js@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.0.2.tgz#adbc361d9c62df380125e7f161f71c826f1e490c"
+  integrity sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==
 
 source-map-resolve@^0.5.0:
   version "0.5.3"