diff --git a/package-lock.json b/package-lock.json
index 9254dda..c0df665 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
       "name": "my_website",
       "dependencies": {
         "asciidoctor": "^2.2.5",
-        "next": "^12.0.7",
+        "next": "12.0.10",
         "node-fetch": "^3.2.0",
         "phosphor-react": "^1.3.1",
         "react": "17.0.2",
@@ -19,6 +19,7 @@
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         "eslint": "7.32.0",
         "eslint-config-next": "12.0.4",
+        "sass": "^1.49.7",
         "typescript": "4.5.2"
       }
     },
@@ -709,6 +710,19 @@
         "node": ">=4"
       }
     },
+    "node_modules/anymatch": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.2.tgz",
+      "integrity": "sha512-P43ePfOAIupkguHUycrc4qJ9kz8ZiuOUijaETwX7THt0Y/GNK7v0aa8rY816xWjZ7rJdA5XdMcpVFTKMq+RvWg==",
+      "devOptional": true,
+      "dependencies": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -874,6 +888,15 @@
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+    "node_modules/binary-extensions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "devOptional": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/brace-expansion": {
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       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -887,7 +910,7 @@
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-      "dev": true,
+      "devOptional": true,
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       },
@@ -948,6 +971,33 @@
         "node": ">=4"
       }
     },
+    "node_modules/chokidar": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
+      "integrity": "sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==",
+      "devOptional": true,
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ],
+      "dependencies": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      },
+      "engines": {
+        "node": ">= 8.10.0"
+      },
+      "optionalDependencies": {
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+    },
     "node_modules/cliui": {
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       "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
@@ -1935,7 +1985,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -1990,6 +2040,20 @@
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       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
+    "node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
     "node_modules/function-bind": {
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       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
@@ -2064,7 +2128,7 @@
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-      "dev": true,
+      "devOptional": true,
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       },
@@ -2167,6 +2231,12 @@
         "node": ">= 4"
       }
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+    "node_modules/immutable": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.0.0.tgz",
+      "integrity": "sha512-zIE9hX70qew5qTUjSS7wi1iwj/l7+m54KWU247nhM3v806UdGj1yDndXj+IOYxxtW9zyLI+xqFNZjTuDaLUqFw==",
+      "devOptional": true
+    },
     "node_modules/import-fresh": {
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       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.3.0.tgz",
@@ -2232,6 +2302,18 @@
         "url": "https://github.com/sponsors/ljharb"
       }
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+    "node_modules/is-binary-path": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "devOptional": true,
+      "dependencies": {
+        "binary-extensions": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/is-boolean-object": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/is-boolean-object/-/is-boolean-object-1.1.2.tgz",
@@ -2291,7 +2373,7 @@
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       "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
-      "dev": true,
+      "devOptional": true,
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       }
@@ -2308,7 +2390,7 @@
       "version": "4.0.3",
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-      "dev": true,
+      "devOptional": true,
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@@ -2332,7 +2414,7 @@
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-      "dev": true,
+      "devOptional": true,
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       }
@@ -2688,6 +2770,15 @@
         "url": "https://opencollective.com/node-fetch"
       }
     },
+    "node_modules/normalize-path": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+      "devOptional": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-assign": {
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@@ -2923,7 +3014,7 @@
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-      "dev": true,
+      "devOptional": true,
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       },
@@ -3037,6 +3128,18 @@
         "react": "17.0.2"
       }
     },
+    "node_modules/readdirp": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
+      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "devOptional": true,
+      "dependencies": {
+        "picomatch": "^2.2.1"
+      },
+      "engines": {
+        "node": ">=8.10.0"
+      }
+    },
     "node_modules/regenerator-runtime": {
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       "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.4.tgz",
@@ -3163,6 +3266,23 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/sass": {
+      "version": "1.49.7",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.49.7.tgz",
+      "integrity": "sha512-13dml55EMIR2rS4d/RDHHP0sXMY3+30e1TKsyXaSz3iLWVoDWEoboY8WzJd5JMnxrRHffKO3wq2mpJ0jxRJiEQ==",
+      "devOptional": true,
+      "dependencies": {
+        "chokidar": ">=3.0.0 <4.0.0",
+        "immutable": "^4.0.0",
+        "source-map-js": ">=0.6.2 <2.0.0"
+      },
+      "bin": {
+        "sass": "sass.js"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
     "node_modules/scheduler": {
       "version": "0.20.2",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.20.2.tgz",
@@ -3476,7 +3596,7 @@
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-      "dev": true,
+      "devOptional": true,
       "dependencies": {
         "is-number": "^7.0.0"
       },
@@ -4184,6 +4304,16 @@
         "color-convert": "^1.9.0"
       }
     },
+    "anymatch": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.2.tgz",
+      "integrity": "sha512-P43ePfOAIupkguHUycrc4qJ9kz8ZiuOUijaETwX7THt0Y/GNK7v0aa8rY816xWjZ7rJdA5XdMcpVFTKMq+RvWg==",
+      "devOptional": true,
+      "requires": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      }
+    },
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
@@ -4306,6 +4436,12 @@
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     },
+    "binary-extensions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
+      "devOptional": true
+    },
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       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -4319,7 +4455,7 @@
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-      "dev": true,
+      "devOptional": true,
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       }
@@ -4361,6 +4497,22 @@
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       }
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+    "chokidar": {
+      "version": "3.5.3",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.5.3.tgz",
+      "integrity": "sha512-Dr3sfKRP6oTcjf2JmUmFJfeVMvXBdegxB0iVQ5eb2V10uFJUCAS8OByZdVAyVb8xXNz3GjjTgj9kLWsZTqE6kw==",
+      "devOptional": true,
+      "requires": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "fsevents": "~2.3.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      }
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     "cliui": {
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       "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
@@ -5113,7 +5265,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -5156,6 +5308,13 @@
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       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
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+    "fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "optional": true
+    },
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       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
@@ -5212,7 +5371,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -5281,6 +5440,12 @@
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       "dev": true
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+    "immutable": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.0.0.tgz",
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@@ -5331,6 +5496,15 @@
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+      "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "devOptional": true,
+      "requires": {
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@@ -5369,7 +5543,7 @@
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-      "dev": true
+      "devOptional": true
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@@ -5380,7 +5554,7 @@
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-      "dev": true,
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@@ -5395,7 +5569,7 @@
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-      "dev": true
+      "devOptional": true
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     "is-number-object": {
       "version": "1.0.6",
@@ -5639,6 +5813,12 @@
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+    "normalize-path": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+      "devOptional": true
+    },
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       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -5808,7 +5988,7 @@
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-      "dev": true
+      "devOptional": true
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     "postcss": {
       "version": "8.4.5",
@@ -5882,6 +6062,15 @@
         "scheduler": "^0.20.2"
       }
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+    "readdirp": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.6.0.tgz",
+      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "devOptional": true,
+      "requires": {
+        "picomatch": "^2.2.1"
+      }
+    },
     "regenerator-runtime": {
       "version": "0.13.4",
       "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.4.tgz",
@@ -5960,6 +6149,17 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "sass": {
+      "version": "1.49.7",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.49.7.tgz",
+      "integrity": "sha512-13dml55EMIR2rS4d/RDHHP0sXMY3+30e1TKsyXaSz3iLWVoDWEoboY8WzJd5JMnxrRHffKO3wq2mpJ0jxRJiEQ==",
+      "devOptional": true,
+      "requires": {
+        "chokidar": ">=3.0.0 <4.0.0",
+        "immutable": "^4.0.0",
+        "source-map-js": ">=0.6.2 <2.0.0"
+      }
+    },
     "scheduler": {
       "version": "0.20.2",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.20.2.tgz",
@@ -6197,7 +6397,7 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
       "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
-      "dev": true,
+      "devOptional": true,
       "requires": {
         "is-number": "^7.0.0"
       }
diff --git a/package.json b/package.json
index 0333cda..b6dd056 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "@types/react": "17.0.37",
     "eslint": "7.32.0",
     "eslint-config-next": "12.0.4",
+    "sass": "^1.49.7",
     "typescript": "4.5.2"
   }
 }