.treegrid-indent {
width: 16px;
height: 16px;
display: inline-block;
position: relative;
}
.treegrid-expander {
width: 16px;
height: 16px;
display: inline-block;
position: relative;
}
.treegrid-expanded .treegrid-expander {
background-image: url(images/collapse.png);
cursor: pointer;
}
.treegrid-collapsed .treegrid-expander {
background-image: url(images/expand.png);
cursor: pointer;
}