/*
 * The menu draws an icon shipped by a module as <img>, and an image cannot take the colour of the
 * text around it. So the picture itself is pushed out of its box and the box is painted with the
 * colour of the link, cut to the shape of the dollar — it follows the link in both colour schemes.
 */
img[src$="/modules/donate/img/dollar.svg"] {
    object-position: -9999px 0;
    background-color: currentColor;
    -webkit-mask: url("../img/dollar.svg") center / contain no-repeat;
    mask: url("../img/dollar.svg") center / contain no-repeat;
}