link-parameters CSS property

/* single value */
link-parameters: param(--color, red);

/* multiple values */
link-parameters:
  param(--color1, red),
  param(--color2, blue),
  param(--color3, green);

<div class="squares">
  <img class="original" src="square.svg" alt="A square with a border." />
  <img class="updated" src="square.svg" alt="A square with a border." />
</div>

.squares {
  height: 200px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
img {
  height: 100%;
}

.updated {
  link-parameters:
    param(--color1, red),
    param(--color2, tomato);
}