#parts-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    z-index: 9999; /* Ensure popup appears above overlay */
  }  

#overlay {
  position: fixed;
  display: none;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent black color */
  z-index: 9998; /* Ensure overlay appears below popup */
}