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);
}