I've added custom bullets to a page. They appear as they should (green) both on desktop, and in mobile preview. However, when testing on my own phone, the custom bullets appear in black.
Here's the code I used:
/* custom bullets - green ticks */
#block-79334b107645c43a985d
ul[data-rte-list] li>*:first-child::before {
content: "\2714";
font-weight: 400;
color: #00cd56;
}