.population_tree {
    padding-top: 16px;
    min-height: 140px;
}

#search .form-group {
    margin-top: 0;
}

.list-group .list-group-item {
    display: block;
    padding: 10px 15px;
    border: 1px solid #ddd;
}

.btn-success:not(.btn-link):not(.btn-flat) {
    margin-left: -15px;
}

#treeview-expandible,
#expandible-output,
#treeview-checkable,
#checkable-output {
    margin-top: 23px;
}
.btn_search
{
    margin-top: 6px;
}
.btn_margin_bottom{
    margin-bottom:5px;

}