.treegrid-indent {width:16px; height: 16px; display: inline-block; position: relative;}

.treegrid-expander {width:16px; height: 16px; display: inline-block; position: relative; cursor: pointer;}

.treegrid-expander-expanded{/*background-image: url(../img/collapse.png);*/ }
.treegrid-expander-collapsed{/*background-image: url(../img/expand.png);*/}