.msCombo-select{
    overflow:auto;
    background:white;
    position:relative; /* for calculating scroll offsets */
    zoom:1;
    overflow:auto;   
}
.msCombo-select-item{
    font:normal 12px;
    padding:2px;
    border:1px solid #fff;
    white-space: nowrap;
    cursor:pointer;
}
.msCombo-select-selected{
   border:1px dotted #a3bae9 !important;
    background:#DFE8F6;
    cursor:pointer;
}