.city-backcolor {
    background: #0099FF;
    color: white;
}

.cityContent {
    border: 1px solid #999;
    display: none;
    white-space: nowrap;
    overflow-y: scroll;
    max-height: 200px;
    position: absolute;
    z-index: 999999999;
    background-color: white;
    min-width: 200px;
}

.cityContent li {
    list-style: none;
    padding: 7px;
}

.isThreeCity {
    margin-left: 130px;
    color: red;
}

.physical-hiding {
    display: block;
    visibility: hidden;
}