You can add a fourth pair of hexadecimal numbers to a hexadecimal color to set an alpha value. FF would be fully opaque and 00 would be fully transparent e.g. color: #88DEAD88
Getting Braaains Should Be Fun
You can add a fourth pair of hexadecimal numbers to a hexadecimal color to set an alpha value. FF would be fully opaque and 00 would be fully transparent e.g. color: #88DEAD88