.dropDown {
    position: relative;
    z-index: 10;
    width: 250px;
    overflow: hidden;
    height: auto;
    background-color: #fff;
    border: 1px solid #f1f3f6;
    border-top: 0;
}

.dropUl {
    list-style: none;
    height: 300px;
    overflow-y: scroll;
    overflow-x: hidden;
    padding: 0;
    margin: 0;
}

.dropProvUl li {
    width: 120px;
    height: 50px;
    padding-left: 20px;
    color: #9fa3b0;
    line-height: 50px;
    background-color: white;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropProvUl li:hover {
    background-color: #497bff;
    color: #fff;
}

.dropCityUl {
    margin-left: 5px;
    background-color: white;
}

.dropCityUl li {
    width: 120px;
    height: 50px;
    padding-left: 20px;
    color: #9fa3b0;
    line-height: 50px;
    cursor: pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropCityUl li:hover {
    background-color: #497bff;
    color: #fff;
}

.dropDown div {
    width: 120px;
    height: 300px;
    float: left;
    display: none;
}