.checkboxTree {
    overflow: auto;
    height: 166px;
    border-radius: 0;
    border: 1px solid #ccc;
    /*box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset;*/
}
.checkboxTree legend {
    border: 0;
    margin: 0 0 0 10px;
    padding: 0 8px;
    width: auto;
    font-size: 14px;
}

.checkboxTree ul {
    list-style-type: none;
    margin: 0 0 0 20px;
    padding: 0;
}

.checkboxTree>ul, .checkboxTree>legend>ul {
    margin: 0;
    padding-bottom: 10px;
}
.checkboxTree li {
    padding: 5px 10px 0 10px;
}
.checkboxTree li>span {
    padding: 0 5px;
    cursor: pointer;
}