fix issue

web_src/less/vendor/fancyapp.css

@@ -147,7 +147,7 @@
     --carousel-button-svg-width: 24px;
     --carousel-button-svg-height: 24px;
     --carousel-button-svg-stroke-width: 2.5;
-    --carousel-button-svg-filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.4))
+    --carousel-button-svg-filter: drop-shadow(1px 1px 1px rgba(0, 0, 0, 0.4));
    }
    .fancybox__container *,
    .fancybox__container *::before,

webpack.config.js

@@ -175,7 +175,15 @@ module.exports = {
         ],
       },
       {
-        test: /\.(less|css)$/i,
+        test: /\.css$/,
+        use: [
+            MiniCssExtractPlugin.loader,
+            "css-loader",
+          ],
+      },
+
+      {
+        test: /\.(less)$/i,
         use: [
           {
             loader: MiniCssExtractPlugin.loader,