#splash-container .splash-tool-modal-container.is-showing{
  /* 1. Add a semi-transparent background color */
  background-color: rgba(255, 255, 255, 0.4); 

  /* 2. Apply the blur effect to the background */
  backdrop-filter: blur(5px); 
  
  /* Add vendor prefix for broader compatibility, if needed for older browsers */
  -webkit-backdrop-filter: blur(5px); 
  
  /* Additional styling for presentation */
  padding: 20px;
  border-radius: 10px;
  /* Other styles like 'border', 'box-shadow', etc. */
}