Build-time minification, image optimization, htmx SPA navigation, and local htmx bundle

css/base.css

@@ -133,3 +133,20 @@ ul {
 img {
     color: transparent;
 }
+
+main {
+    transition: opacity 0.15s ease;
+}
+
+#about-us,
+#featured-delights,
+#kawiarnia,
+#kawiarnia-content,
+#portfolio-grid,
+#wyroby,
+#slodkie_stoly,
+#lody,
+#wyroby-torty > section {
+    content-visibility: auto;
+    contain-intrinsic-size: 600px;
+}