Lukas S.

<style>
  .testimonial33_content-wrapper {
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    background-color: rgba(255, 255, 255, 0.5) !important; /* Add some transparency */
    z-index: 1 !important;
  }
  
  .testimonial33_list-left, .testimonial33_list-right {
    will-change: transform; /* This is already in your code */
    transform-style: flat !important; /* Override preserve-3d which can break backdrop-filter */
    backface-visibility: visible !important;
  }
  
  .testimonial33_list, .testimonial33_card-content-right {
    position: relative;
    z-index: 0;
    transform: translateZ(0);
  }
</style>