*{
  margin:0;
  padding:0;
}

body{
  padding:2px;
  background:#ffffff;
}

input{
  font-size:1em;
}

ol.tree{
  padding-left:25px;
}

li{
  list-style-type:none;
  color:#000000;
  position:
  relative;margin-left:-15px;
}

li input{
  width:1em;
  height:1em;
  position:absolute;
  left:-0.5em;
  top:0;
  opacity:0;
  cursor:pointer;
}

li input + ol{
  height:13px;
  margin:-11px 0 0 -44px;
  background:url("/toggle-small-expand.png") no-repeat 40px -2px;
}

li input + ol > li{
  display:none;
  margin-left:-14px !important;
  padding-left:1px
}

li.file{
  margin-left:-1px !important;
}

li input:checked + ol{
  height:auto;
  margin:-25px 0 0 -44px;
  padding:27px 0 0 75px;
  background:url("/toggle-small-collapse.png") no-repeat 40px 12px;
}

li input:checked + ol > li{
  display:block;
  margin:0 0 0.063em;
}

li input:checked + ol > li:nth-child(n){
  margin:0 0 0.15em;
}