| -apple-system-blue : rgba(0, 0, 0, 0) | |
| -apple-system-brown : rgba(0, 0, 0, 0) | |
| -apple-system-gray : rgba(0, 0, 0, 0) | |
| -apple-system-green : rgba(0, 0, 0, 0) | |
| -apple-system-orange : rgba(0, 0, 0, 0) | |
| -apple-system-pink : rgba(0, 0, 0, 0) | |
| -apple-system-purple : rgba(0, 0, 0, 0) | |
| -apple-system-red : rgba(0, 0, 0, 0) | |
| -apple-system-yellow : rgba(0, 0, 0, 0) | |
| -apple-wireless-playback-target-active : rgba(0, 0, 0, 0) | |
| current-color with inherited -apple-system-blue : rgba(0, 0, 0, 0) |