.indicator {
width:9px;
height:9px;
margin-right:5px;
vertical-align:middle;
}

.icon {
width:13px;
height:13px;
margin-right:5px;
vertical-align:middle;
}

.level-0 {
display:block;
}

.level-1 {
display:block;
margin-left: 15px;
}

.level-2 {
display:block;
margin-left: 15px;
}

.level-3 {
display:block;
margin-left: 15px;
}

.level-4 {
display:block;
margin-left: 15px;
}