a { text-decoration: none; color: Blue; font-size: 10pt; }

ul.arbrelist li { list-style-position: inside; text-decoration: none; color: Blue; font-size: 10pt; }
ul.arbrelist, ul.arbrelist ul, ul.arbrelist li { margin: 0; padding: 0; }
ul.arbrelist ul { padding-left: 20px; } /* sublist indentation */

ul.arbrelist li { list-style-image: url(/pictures/arbrelist-point.png); }
ul.arbrelist li.arbrelist-open { list-style-image: url(/pictures/arbrelist-moins.png); }
ul.arbrelist li.arbrelist-closed { list-style-image: url(/pictures/arbrelist-plus.png); }

ul.arbrelist li.arbrelist-open ul { display: block; }
ul.arbrelist li.arbrelist-closed ul { display: none; }
ul.arbrelist {cursor: pointer }