Remove polyfill as it makes styles weird and applies in (my) chromium when it shouldnt.

Progressive enhancement is fine here.

package.json

···
     "@astrojs/mdx": "^4.3.0",
     "@astrojs/rss": "^4.0.12",
     "@astrojs/sitemap": "^3.4.1",
-    "@oddbird/css-anchor-positioning": "^0.6.1",
     "astro": "5.11.0",
     "lunarphase-js": "^2.0.3",
     "markdown-it": "^14.1.0",

pnpm-lock.yaml

···
       "@astrojs/sitemap":
         specifier: ^3.4.1
         version: 3.4.1
-      "@oddbird/css-anchor-positioning":
-        specifier: ^0.6.1
-        version: 0.6.1
       astro:
         specifier: 5.11.0
         version: 5.11.0(@types/node@22.15.20)(rollup@4.41.0)(typescript@5.8.3)(yaml@2.8.0)
···
     cpu: [x64]
     os: [win32]
 
-  "@floating-ui/core@1.7.2":
-    resolution:
-      {
-        integrity: sha512-wNB5ooIKHQc+Kui96jE/n69rHFWAVoxn5CAzL1Xdd8FG03cgY3MLO+GF9U3W737fYDSgPWA6MReKhBQBop6Pcw==,
-      }
-
-  "@floating-ui/dom@1.7.2":
-    resolution:
-      {
-        integrity: sha512-7cfaOQuCS27HD7DX+6ib2OrnW+b4ZBwDNnCcT0uTyidcmyWb03FnQqJybDBoCnpdxwBSfA94UAYlRCt7mV+TbA==,
-      }
-
-  "@floating-ui/utils@0.2.10":
-    resolution:
-      {
-        integrity: sha512-aGTxbpbg8/b5JfU1HXSrbH3wXZuLPJcNEcZQFMxLs3oSzgtVu6nFPkbbGGUvBcUjKV2YyB9Wxxabo+HEH9tcRQ==,
-      }
-
   "@img/sharp-darwin-arm64@0.33.5":
     resolution:
       {
···
         integrity: sha512-oGB+UxlgWcgQkgwo8GcEGwemoTFt3FIO9ababBmaGwXIoBKZ+GTy0pP185beGg7Llih/NSHSV2XAs1lnznocSg==,
       }
     engines: { node: ">= 8" }
-
-  "@oddbird/css-anchor-positioning@0.6.1":
-    resolution:
-      {
-        integrity: sha512-/M1guQMJROMAFjS0uTmcg93S2X5r0Gwe6m5DqmRrGxNEUe1llmY6/Qw8UuhvexP6yeD+GDCP9CJtXBJS1vS9UQ==,
-      }
 
   "@oslojs/encoding@1.1.0":
     resolution:
···
         integrity: sha512-5IKx/Y13RsYd+sauPb2x+U/xZikHjolzfuDgTAl/Tdf3Q8rslRvC19NKDLgAJQ6wsqADk10ntlv08nPFw/gO/A==,
       }
 
-  "@types/css-tree@2.3.10":
-    resolution:
-      {
-        integrity: sha512-WcaBazJ84RxABvRttQjjFWgTcHvZR9jGr0Y3hccPkHjFyk/a3N8EuxjKr+QfrwjoM5b1yI1Uj1i7EzOAAwBwag==,
-      }
-
   "@types/debug@4.1.12":
     resolution:
       {
···
         integrity: sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==,
       }
     engines: { node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1 }
-    hasBin: true
-
-  nanoid@5.1.5:
-    resolution:
-      {
-        integrity: sha512-Ir/+ZpE9fDsNH0hQ3C68uyThDXzYcim2EqcZ8zn8Chtt1iylPT9xXJB0kPCnqzgcEGikO9RxSrh63MsmVCU7Fw==,
-      }
-    engines: { node: ^18 || >=20 }
     hasBin: true
 
   neotraverse@0.6.18:
···
   "@esbuild/win32-x64@0.25.4":
     optional: true
 
-  "@floating-ui/core@1.7.2":
-    dependencies:
-      "@floating-ui/utils": 0.2.10
-
-  "@floating-ui/dom@1.7.2":
-    dependencies:
-      "@floating-ui/core": 1.7.2
-      "@floating-ui/utils": 0.2.10
-
-  "@floating-ui/utils@0.2.10": {}
-
   "@img/sharp-darwin-arm64@0.33.5":
     optionalDependencies:
       "@img/sharp-libvips-darwin-arm64": 1.0.4
···
       "@nodelib/fs.scandir": 2.1.5
       fastq: 1.19.1
 
-  "@oddbird/css-anchor-positioning@0.6.1":
-    dependencies:
-      "@floating-ui/dom": 1.7.2
-      "@types/css-tree": 2.3.10
-      css-tree: 3.1.0
-      nanoid: 5.1.5
-
   "@oslojs/encoding@1.1.0": {}
 
   "@rollup/pluginutils@5.1.4(rollup@4.41.0)":
···
   "@swc/helpers@0.5.17":
     dependencies:
       tslib: 2.8.1
-
-  "@types/css-tree@2.3.10": {}
 
   "@types/debug@4.1.12":
     dependencies:
···
   muggle-string@0.4.1: {}
 
   nanoid@3.3.11: {}
-
-  nanoid@5.1.5: {}
 
   neotraverse@0.6.18: {}
 

src/Base.astro

···
       // sets the timezone offset
       document.cookie = `timezone=${new Date().toString()};path=/`;
     </script>
-    <script>
-      import polyfill from "@oddbird/css-anchor-positioning/fn";
-      polyfill().then(() => {
-        console.log("Loaded anchor polyfill");
-        document.body.dataset.anchorPolyfill = "loaded";
-      });
-    </script>
     <!-- default styles -->
     <style is:global>
       @layer reset {