Mobile: Change the cart bubble color

Example:

Before:

Code to use for Pipeline 5.0 and higher:

/* -- code to change color of mobile cart bubble -- */
.header__cart__status [data-header-cart-full=true] {
  background: #f44336 !important;
}
/* - end - */

Code to use:

/* -- code to change color of mobile cart bubble -- */
.header-cart__bubble.cartCount {
  background: #f44336;
  z-index: 9999;
}
/* - end - */

hex color code references:

http://www.colorhexa.com/web-safe-colors

https://picular.co/

Where do I add the code?

Use this link to learn where exactly to add this code snippet:

Where to add your CSS style code