diff --git a/.stylelintrc.yml b/.stylelintrc.yml
index 64ecb5f..02378b4 100644
--- a/.stylelintrc.yml
+++ b/.stylelintrc.yml
@@ -48,7 +48,11 @@ rules:
          - slotted
    selector-pseudo-element-no-unknown: true
    selector-type-no-unknown: true
-   declaration-block-no-duplicate-properties: true
+   declaration-block-no-duplicate-properties:
+      - true
+      - ignore:
+         # Allow intentional duplicate properties for progressive enhancement (e.g., vh/dvh fallbacks)
+         - consecutive-duplicates-with-different-values
    declaration-block-no-shorthand-property-overrides: true
    '@stylistic/declaration-colon-space-after': always
    '@stylistic/declaration-colon-space-before': never
@@ -97,6 +101,7 @@ rules:
    function-url-quotes: null
    number-max-precision: null
 
+
 # SCSS files require postcss-scss as customSyntax
 # See: https://github.com/stylelint/stylelint/blob/a57d512dd5f79815a43e996a182b5e2a8154e363/docs/user-guide/configure.md#overrides
 overrides:
@@ -131,3 +136,7 @@ overrides:
          scss/at-mixin-parentheses-space-before: never
    - files: [ "**/*.vue" ]
      customSyntax: postcss-html
+     rules:
+        # Turn off config-standard rule in favor of the scss/at-rule-no-unknown rule
+        at-rule-no-unknown: null
+        scss/at-rule-no-unknown: true
diff --git a/package-lock.json b/package-lock.json
index 5617b89..4482ada 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,6 +20,7 @@
         "conventional-recommended-bump": "6.1.0",
         "git-semver-tags": "4.1.1",
         "markdownlint-cli2": "0.18.1",
+        "postcss-html": "1.8.0",
         "postcss-scss": "4.0.9",
         "semver": "7.3.5",
         "stylelint": "16.20.0",
@@ -2043,6 +2044,61 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/dom-serializer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-2.0.0.tgz",
+      "integrity": "sha512-wIkAryiqt/nV5EQKqQpo3SToSOV9J0DnbJqwK7Wv/Trc92zIAYZ4FlMu+JPFW1DfGFt81ZTCGgDEabffXeLyJg==",
+      "license": "MIT",
+      "dependencies": {
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.2",
+        "entities": "^4.2.0"
+      },
+      "funding": {
+        "url": "https://github.com/cheeriojs/dom-serializer?sponsor=1"
+      }
+    },
+    "node_modules/domelementtype": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-2.3.0.tgz",
+      "integrity": "sha512-OLETBj6w0OsagBwdXnPdN0cnMfF9opN69co+7ZrbfPGrdpPVNBUj02spi6B1N7wChLQiPn4CSH/zJvXw56gmHw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fb55"
+        }
+      ],
+      "license": "BSD-2-Clause"
+    },
+    "node_modules/domhandler": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-5.0.3.tgz",
+      "integrity": "sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==",
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "domelementtype": "^2.3.0"
+      },
+      "engines": {
+        "node": ">= 4"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/domhandler?sponsor=1"
+      }
+    },
+    "node_modules/domutils": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/domutils/-/domutils-3.2.2.tgz",
+      "integrity": "sha512-6kZKyUajlDuqlHKVX1w7gyslj9MPIXzIFiz/rGu35uC1wMi+kMhQwGhl4lt9unC9Vb9INnY9Z3/ZA3+FhASLaw==",
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "dom-serializer": "^2.0.0",
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.3"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/domutils?sponsor=1"
+      }
+    },
     "node_modules/dot-prop": {
       "version": "5.3.0",
       "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-5.3.0.tgz",
@@ -2842,6 +2898,25 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/htmlparser2": {
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-8.0.2.tgz",
+      "integrity": "sha512-GYdjWKDkbRLkZ5geuHs5NY1puJ+PXwP7+fHPRz06Eirsb9ugf6d8kkXav6ADhcODhFFPMIXyxkxSuMf3D6NCFA==",
+      "funding": [
+        "https://github.com/fb55/htmlparser2?sponsor=1",
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fb55"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.3",
+        "domutils": "^3.0.1",
+        "entities": "^4.4.0"
+      }
+    },
     "node_modules/iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -4579,6 +4654,43 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/postcss-html": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/postcss-html/-/postcss-html-1.8.0.tgz",
+      "integrity": "sha512-5mMeb1TgLWoRKxZ0Xh9RZDfwUUIqRrcxO2uXO+Ezl1N5lqpCiSU5Gk6+1kZediBfBHFtPCdopr2UZ2SgUsKcgQ==",
+      "license": "MIT",
+      "dependencies": {
+        "htmlparser2": "^8.0.0",
+        "js-tokens": "^9.0.0",
+        "postcss": "^8.5.0",
+        "postcss-safe-parser": "^6.0.0"
+      },
+      "engines": {
+        "node": "^12 || >=14"
+      }
+    },
+    "node_modules/postcss-html/node_modules/js-tokens": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-9.0.1.tgz",
+      "integrity": "sha512-mxa9E9ITFOt0ban3j6L5MpjwegGz6lBQmM1IJkWeBZGcMxto50+eWdjC/52xDbS2vy0k7vIMK0Fe2wfL9OQSpQ==",
+      "license": "MIT"
+    },
+    "node_modules/postcss-html/node_modules/postcss-safe-parser": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-safe-parser/-/postcss-safe-parser-6.0.0.tgz",
+      "integrity": "sha512-FARHN8pwH+WiS2OPCxJI8FuRJpTVnn6ZNFiqAM2aeW2LwTHWWmWgIyKC6cUo0L8aeKiF/14MNvnpls6R2PBeMQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/postcss/"
+      },
+      "peerDependencies": {
+        "postcss": "^8.3.3"
+      }
+    },
     "node_modules/postcss-media-query-parser": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/postcss-media-query-parser/-/postcss-media-query-parser-0.2.3.tgz",
diff --git a/package.json b/package.json
index 76db4de..2c05019 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,8 @@
     "stylelint": "16.20.0",
     "stylelint-config-standard": "38.0.0",
     "stylelint-config-standard-scss": "15.0.1",
-    "stylelint-scss": "6.12.1"
+    "stylelint-scss": "6.12.1",
+    "postcss-html": "1.8.0"
   },
   "devDependencies": {
     "@silvermine/eslint-config": "3.0.1",