.dtstaff-drop-down {
    position: relative;
    display: inline-block;
    width: auto;
    margin-top: 0;
    font-family: verdana;
}

.dtstaff-drop-down select {
    display: none;
}

.dtstaff-drop-down .select-list {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    margin-top: 40px;
    padding: 0;
    background-color: #595959;
}

.dtstaff-drop-down .select-list li {
    display: none;
}

.dtstaff-drop-down .button span {
    background-repeat: no-repeat;
    width: 100%;
    padding: 4px 20px 15px 38px;
}

.dtstaff-drop-down .select-list li span {
    display: inline-block;
    min-height: 32px;
    min-width: 267px;
    width: 100%;
    padding: 25px 15px 19px 50px;
    background-color: #ffffff;
    background-position: left 10px center;
    background-repeat: no-repeat;
    font-size: 16px;
    text-align: left;
    color: #000;
    opacity: 0.7;
    box-sizing: border-box;
}

.dtstaff-drop-down .select-list li span:hover,
.dtstaff-drop-down .select-list li span:focus {
    opacity: 1;
}