.tree-core ul:not(.novertical) {
/*    list-style-type: none;*/
    background: url(../../img/linea_vertical.gif) repeat-y;
}
.tree-core li {
    /*padding: 0 10px;*/
}
.tree-core ul {
    margin: 0px;
    margin-left: 15px;
    /*margin-left: 5px;*/
}
.tree-core li {
    background: url(../../img/nodo.gif) no-repeat;
}
.tree-core li.cierre {
    background: #FFF url(../../img/cierre.gif) left top no-repeat;
}
.tree-core .novertical{
    background: url(../../img/linea_vertical.gif) 4px repeat-y;
}