lists

What: Firefox 68+ and Safari 11.1+ support the pseudo-element ::marker yay! Chrome doesn’t yet, and neither do Edge or IE11. It will allow for:

li::marker {
    color: #ff3399;
    content: "-";
}

Not just on list-items either, but also on elements with a display: list-item.

CSS-Tricks has more about this: Finally, it Will Be Easy to Change the Color of List Bullets.