.oo-ui-icon-unesco {
    background-image: url('https://upload.wikimedia.org/wikipedia/commons/b/b1/WorldHeritageBlanc.svg');
}
.oo-ui-icon-star {
    background-image: url('https://upload.wikimedia.org/wikipedia/commons/e/e7/Cscr-featured.svg');
}
.oo-ui-icon-ftt {
     background-image: url('https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Writing_Circle.svg/25px-Writing_Circle.svg.png');
}
.oo-ui-icon-dotm, .oo-ui-icon-otbp {
     background-image: url('https://upload.wikimedia.org/wikipedia/commons/thumb/5/50/Yes_Check_Circle.svg/25px-Yes_Check_Circle.svg.png');
}