#gradient-canvas {
  width: 100%;
  height: 100%;
  --gradient-color-1: #5a51eb;
  /* Slightly lighter than base */
  --gradient-color-2: #4F45E4;
  /* Your specified color */
  --gradient-color-3: #4439d6;
  /* Slightly darker */
  --gradient-color-4: #3a30c7;
  /* A bit darker */
}