Le langage CSS/Stylesheet.css

/* <noinclude>{{CSS}}</noinclude> */

ul.exemple-liste-1 {
  list-style-type: none !important;
  list-style-image: inherit !important;
}

ul.exemple-liste-1 li:before {
  content: "\2014";
  position: absolute;
  margin-left: -1.5em;
}

ul.exemple-liste-2 li {
  list-style-image: url(https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/30px-Wikibooks-logo.svg.png);
}