.treemenu li{list-style:none}.treemenu .toggler{cursor:pointer}.treemenu .toggler:before{display:inline-block;margin-right:2pt}li.tree-empty>.toggler{color:#aaa}li.tree-empty>.toggler:before{content:""}li.tree-closed>.toggler:before{content:"+"}li.tree-opened>.toggler:before{content:"\2212"}