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/css-tree/cjs/syntax/node/LayerNameList.cjs

@@ -0,0 +1,42 @@
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'LayerNameList';
+const structure = {
+    children: [[
+        'MediaQuery'
+    ]]
+};
+
+function parse() {
+    const children = this.createList();
+
+    this.skipSC();
+
+    while (!this.eof) {
+        children.push(this.LayerName());
+
+        if (this.tokenType !== types.Comma) {
+            break;
+        }
+
+        this.next();
+        this.skipSC();
+    }
+
+    return {
+        type: 'LayerNameList',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node, () => this.token(types.Comma, ','));
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;