diff --git a/package-lock.json b/package-lock.json
index c9b125e..24e4ba7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
         "@tailwindcss/typography": "^0.5.4",
         "autoprefixer": "^10.4.7",
         "postcss": "^8.4.14",
+        "postcss-cli": "^11.0.1",
         "postcss-import": "^14.1.0",
         "tailwindcss": "^3.1.6"
       }
@@ -126,6 +127,30 @@
         "node": ">=0.4.0"
       }
     },
+    "node_modules/ansi-regex": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
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+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/ansi-styles": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
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+      }
+    },
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       "version": "3.1.2",
       "resolved": "https://registry.npmmirror.com/anymatch/-/anymatch-3.1.2.tgz",
@@ -271,6 +296,32 @@
         "node": ">= 6"
       }
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+    "node_modules/cliui": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz",
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+      "dev": true,
+      "dependencies": {
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+        "strip-ansi": "^6.0.1",
+        "wrap-ansi": "^7.0.0"
+      },
+      "engines": {
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+    },
+    "node_modules/color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">=7.0.0"
+      }
+    },
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       "resolved": "https://registry.npmmirror.com/color-name/-/color-name-1.1.4.tgz",
@@ -310,6 +361,15 @@
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       "dev": true
     },
+    "node_modules/dependency-graph": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/dependency-graph/-/dependency-graph-1.0.0.tgz",
+      "integrity": "sha512-cW3gggJ28HZ/LExwxP2B++aiKxhJXMSIt9K48FOXQkm+vuG5gyatXnLsONRJdzO/7VfjDIiaOOa/bs4l464Lwg==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/detective": {
       "version": "5.2.1",
       "resolved": "https://registry.npmmirror.com/detective/-/detective-5.2.1.tgz",
@@ -345,6 +405,12 @@
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       "dev": true
     },
+    "node_modules/emoji-regex": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmmirror.com/escalade/-/escalade-3.1.1.tgz",
@@ -412,6 +478,20 @@
         "node": "*"
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+    "node_modules/fs-extra": {
+      "version": "11.3.2",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.3.2.tgz",
+      "integrity": "sha512-Xr9F6z6up6Ws+NjzMCZc6WXg2YFRlrLP9NQDO3VQrWrfiojdhS56TzueT88ze0uBdCTwEIhQ3ptnmKeWGFAe0A==",
+      "dev": true,
+      "dependencies": {
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^6.0.1",
+        "universalify": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=14.14"
+      }
+    },
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/fs.realpath/-/fs.realpath-1.0.0.tgz",
@@ -438,6 +518,15 @@
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       "dev": true
     },
+    "node_modules/get-caller-file": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+      "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
+      "dev": true,
+      "engines": {
+        "node": "6.* || 8.* || >= 10.*"
+      }
+    },
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       "version": "7.2.3",
       "resolved": "https://registry.npmmirror.com/glob/-/glob-7.2.3.tgz",
@@ -467,6 +556,12 @@
         "node": ">=10.13.0"
       }
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+    "node_modules/graceful-fs": {
+      "version": "4.2.11",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
+      "integrity": "sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmmirror.com/has/-/has-1.0.3.tgz",
@@ -525,6 +620,15 @@
         "node": ">=0.10.0"
       }
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+    "node_modules/is-fullwidth-code-point": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
+      "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/is-glob": {
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       "resolved": "https://registry.npmmirror.com/is-glob/-/is-glob-4.0.3.tgz",
@@ -546,6 +650,18 @@
         "node": ">=0.12.0"
       }
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+    "node_modules/jsonfile": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.2.0.tgz",
+      "integrity": "sha512-FGuPw30AdOIUTRMC2OMRtQV+jkVj2cfPqSeWXv1NEAJ1qZ5zb1X6z1mFhbfOB/iy3ssJCD+3KuZ8r8C3uVFlAg==",
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+      "dependencies": {
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+      },
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@@ -720,6 +836,97 @@
         "node": "^10 || ^12 || >=14"
       }
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+    "node_modules/postcss-cli": {
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/postcss-cli/-/postcss-cli-11.0.1.tgz",
+      "integrity": "sha512-0UnkNPSayHKRe/tc2YGW6XnSqqOA9eqpiRMgRlV1S6HdGi16vwJBx7lviARzbV1HpQHqLLRH3o8vTcB0cLc+5g==",
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+      "dependencies": {
+        "chokidar": "^3.3.0",
+        "dependency-graph": "^1.0.0",
+        "fs-extra": "^11.0.0",
+        "picocolors": "^1.0.0",
+        "postcss-load-config": "^5.0.0",
+        "postcss-reporter": "^7.0.0",
+        "pretty-hrtime": "^1.0.3",
+        "read-cache": "^1.0.0",
+        "slash": "^5.0.0",
+        "tinyglobby": "^0.2.12",
+        "yargs": "^17.0.0"
+      },
+      "bin": {
+        "postcss": "index.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "peerDependencies": {
+        "postcss": "^8.0.0"
+      }
+    },
+    "node_modules/postcss-cli/node_modules/lilconfig": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/lilconfig/-/lilconfig-3.1.3.tgz",
+      "integrity": "sha512-/vlFKAoH5Cgt3Ie+JLhRbwOsCQePABiU3tJ1egGvyQ+33R/vcwM2Zl2QR/LzjsBeItPt3oSVXapn+m4nQDvpzw==",
+      "dev": true,
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antonk52"
+      }
+    },
+    "node_modules/postcss-cli/node_modules/postcss-load-config": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-load-config/-/postcss-load-config-5.1.0.tgz",
+      "integrity": "sha512-G5AJ+IX0aD0dygOE0yFZQ/huFFMSNneyfp0e3/bT05a8OfPC5FUoZRPfGijUdGOJNMewJiwzcHJXFafFzeKFVA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "dependencies": {
+        "lilconfig": "^3.1.1",
+        "yaml": "^2.4.2"
+      },
+      "engines": {
+        "node": ">= 18"
+      },
+      "peerDependencies": {
+        "jiti": ">=1.21.0",
+        "postcss": ">=8.0.9",
+        "tsx": "^4.8.1"
+      },
+      "peerDependenciesMeta": {
+        "jiti": {
+          "optional": true
+        },
+        "postcss": {
+          "optional": true
+        },
+        "tsx": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/postcss-cli/node_modules/yaml": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.1.tgz",
+      "integrity": "sha512-lcYcMxX2PO9XMGvAJkJ3OsNMw+/7FKes7/hgerGUYWIoWu5j/+YQqcZr5JnPZWzOsEBgMbSbiSTn/dv/69Mkpw==",
+      "dev": true,
+      "bin": {
+        "yaml": "bin.mjs"
+      },
+      "engines": {
+        "node": ">= 14.6"
+      }
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     "node_modules/postcss-import": {
       "version": "14.1.0",
       "resolved": "https://registry.npmmirror.com/postcss-import/-/postcss-import-14.1.0.tgz",
@@ -792,6 +999,32 @@
         "postcss": "^8.2.14"
       }
     },
+    "node_modules/postcss-reporter": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-reporter/-/postcss-reporter-7.1.0.tgz",
+      "integrity": "sha512-/eoEylGWyy6/DOiMP5lmFRdmDKThqgn7D6hP2dXKJI/0rJSO1ADFNngZfDzxL0YAxFvws+Rtpuji1YIHj4mySA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "dependencies": {
+        "picocolors": "^1.0.0",
+        "thenby": "^1.3.4"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "peerDependencies": {
+        "postcss": "^8.1.0"
+      }
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     "node_modules/postcss-selector-parser": {
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@@ -811,6 +1044,15 @@
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       "dev": true
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+    "node_modules/pretty-hrtime": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
+      "integrity": "sha512-66hKPCr+72mlfiSjlEB1+45IjXSqvVAIy6mocupoww4tBFE9R9IhwwUGoI4G++Tc9Aq+2rxOt0RFU6gPcrte0A==",
+      "dev": true,
+      "engines": {
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+      }
+    },
     "node_modules/purgecss": {
       "version": "4.1.3",
       "resolved": "https://registry.npmmirror.com/purgecss/-/purgecss-4.1.3.tgz",
@@ -862,6 +1104,15 @@
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+    "node_modules/require-directory": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
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+      "dev": true,
+      "engines": {
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@@ -895,6 +1146,18 @@
         "queue-microtask": "^1.2.2"
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+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/slash/-/slash-5.1.0.tgz",
+      "integrity": "sha512-ZA6oR3T/pEyuqwMgAKT0/hAv8oAXckzbkmR0UkUosQ+Mc4RxGoJkRmwHgHufaenlyAgE1Mxgpdcrf75y6XcnDg==",
+      "dev": true,
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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@@ -904,6 +1167,32 @@
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+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
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+      "dev": true,
+      "dependencies": {
+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
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+    "node_modules/strip-ansi": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
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@@ -953,6 +1242,57 @@
         "postcss": "^8.0.9"
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+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/thenby/-/thenby-1.3.4.tgz",
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+      "dev": true
+    },
+    "node_modules/tinyglobby": {
+      "version": "0.2.15",
+      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz",
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+      "dev": true,
+      "dependencies": {
+        "fdir": "^6.5.0",
+        "picomatch": "^4.0.3"
+      },
+      "engines": {
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+      "funding": {
+        "url": "https://github.com/sponsors/SuperchupuDev"
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+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
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+      "dev": true,
+      "engines": {
+        "node": ">=12.0.0"
+      },
+      "peerDependencies": {
+        "picomatch": "^3 || ^4"
+      },
+      "peerDependenciesMeta": {
+        "picomatch": {
+          "optional": true
+        }
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+    "node_modules/tinyglobby/node_modules/picomatch": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-4.0.3.tgz",
+      "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
+      "dev": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
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@@ -965,6 +1305,15 @@
         "node": ">=8.0"
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+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
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+      "dev": true,
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@@ -987,6 +1336,23 @@
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       "dev": true
     },
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     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmmirror.com/wrappy/-/wrappy-1.0.2.tgz",
@@ -1764,11 +2391,38 @@
       "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
       "dev": true
     },
+    "y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true
+    },
     "yaml": {
       "version": "1.10.2",
       "resolved": "https://registry.npmmirror.com/yaml/-/yaml-1.10.2.tgz",
       "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
       "dev": true
+    },
+    "yargs": {
+      "version": "17.7.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz",
+      "integrity": "sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==",
+      "dev": true,
+      "requires": {
+        "cliui": "^8.0.1",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.3",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^21.1.1"
+      }
+    },
+    "yargs-parser": {
+      "version": "21.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
+      "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==",
+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index 66ddd88..6f733d6 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
     "@tailwindcss/typography": "^0.5.4",
     "autoprefixer": "^10.4.7",
     "postcss": "^8.4.14",
+    "postcss-cli": "^11.0.1",
     "postcss-import": "^14.1.0",
     "tailwindcss": "^3.1.6"
   }
diff --git a/themes/klay/assets/sass/common/tw.scss b/themes/klay/assets/sass/common/tw.scss
index fff17f5..ae69d32 100644
--- a/themes/klay/assets/sass/common/tw.scss
+++ b/themes/klay/assets/sass/common/tw.scss
@@ -2,12 +2,11 @@
   a {
     text-decoration: none;
     border-bottom: 1px solid #7dd3fc;
-    text-decoration: none;
     &:hover {
       border-bottom: 2px solid #7dd3fc;
     }
     @apply font-semibold;
   }
   font-size: 1.03rem;
-  @apply prose-zinc max-w-none leading-relaxed;
+  @apply prose-zinc dark:prose-invert max-w-none leading-relaxed;
 }