fix: remove box-shadow from demo container for improved aesthetics

Author: DavidHDev

src/css/category.css

@@ -117,7 +117,6 @@
   display: flex;
   align-items: center;
   justify-content: center;
-  box-shadow: 0 40px 100px -50px rgba(82, 39, 255, 0.1);
 }
 
 .preview-footer {