.awag_prepayment_dept th.mark span {
    position: relative;
    cursor: pointer;
}

.awag_prepayment_dept th.mark .prepayment_dept_info:after {
    content: "i";
    width: 20px;
    height: 20px;
    border: 1px solid #cccccc;
    border-radius: 50%;
    position: absolute;
    right: -30px;
    text-align: center;
}