How to set height property for SPAN tag

-->display:inline-block<--


#contentbox {

display: inline-block;
    
border: 2px solid #e3e3e3;
    border-radius: 7px;
    font-family: Arial,Helvetica,sans-serif;
    font-size: 14px;
    height: 28px;
    margin-bottom: 6px;
    min-height: 37px;
    text-align: left;
    width: 458px;
}