fix: Fix product page syntax errors

1. Remove duplicate/broken code in product tables section
2. Fix PostCSS config for Tailwind 4
3. Add @tailwindcss/postcss dependency
4. Remove --production flag from Dockerfile (sharp required)

All fixes enable successful Docker build with favicon working.

node_modules/csso/lib/restructure/index.js

@@ -0,0 +1,35 @@
+import prepare from './prepare/index.js';
+import mergeAtrule from './1-mergeAtrule.js';
+import initialMergeRuleset from './2-initialMergeRuleset.js';
+import disjoinRuleset from './3-disjoinRuleset.js';
+import restructShorthand from './4-restructShorthand.js';
+import restructBlock from './6-restructBlock.js';
+import mergeRuleset from './7-mergeRuleset.js';
+import restructRuleset from './8-restructRuleset.js';
+
+export default function(ast, options) {
+    // prepare ast for restructing
+    const indexer = prepare(ast, options);
+    options.logger('prepare', ast);
+
+    mergeAtrule(ast, options);
+    options.logger('mergeAtrule', ast);
+
+    initialMergeRuleset(ast);
+    options.logger('initialMergeRuleset', ast);
+
+    disjoinRuleset(ast);
+    options.logger('disjoinRuleset', ast);
+
+    restructShorthand(ast, indexer);
+    options.logger('restructShorthand', ast);
+
+    restructBlock(ast);
+    options.logger('restructBlock', ast);
+
+    mergeRuleset(ast);
+    options.logger('mergeRuleset', ast);
+
+    restructRuleset(ast);
+    options.logger('restructRuleset', ast);
+};