.external-icon,
.x-tool-external {
    background-image: none !important;
    background: none !important;
    height: auto;
}

.external-icon:before,
.x-tool-external:before,
.external-win-shortcut:before {
    font-family: 'Font Awesome 5 Free';
    content: "\f518";
    font-size: 0.88em;
}