#progress::-webkit-slider-thumb {
  -webkit-appearance: none;
  background: #f53192;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 8px solid #fff;
  box-shadow: 0 5px 5px rgba(255, 26, 26, 0.22);
}

/* Ensure consistent appearance */
#progress {
  -webkit-appearance: none;
}