a.open-new-window:after {
    -webkit-mask-image: url("../svg/cta-new-window.svg");
    mask-image: url("../svg/cta-new-window.svg");
    content: "";
    position: relative;
    width: 0.9em;
    height: 0.9em;
    display: inline-block;
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    background-color: #000;
    vertical-align: middle;
    margin: 0 0 0.1em 0.3em;
}

.page-section--col-dark a.open-new-window:after {
    background-color: #fff;
}

a.open-new-window:hover:after {
    background-color: #d04a03;
}