.dsSelect{
    width: 100%;
    text-align: center;
}
.dsSelect>.left,.dsSelect>.center,.dsSelect>.right{
    height: 400px;
    border: solid thin #73879C;
    margin: 0px auto;
    float: left;
    overflow: auto;
}
.dsSelect .center{
    width: 100px;
    text-align: center;
    vertical-align:middle;
    border: none;
}
.dsSelect .left{
    width: 40%;
}

.dsSelect  .dsList{
    list-style: none;
    text-align: center;
    margin: 0px;
    padding: 0px;
}
.dsSelect .dsList li{
    border: solid thin #73879C;
    width: 90%;
    margin: 2px auto;
    font-size: 16px;
    line-height: 35px;
    cursor: pointer;
}

.dsSelect .dsList li:hover{
    background-color:#485d74;
    color: #FFFFFF;
}

.dsSelect .dsList .selectItem{
    background-color:#485d74;
    color: #FFFFFF;
}
.dsSelect .right{
    width: 40%;
}
.dsSelect .center .dsButton{
    width: 80px;
    background: #73879C;
    color: #FFFFFF;
    line-height: 30px;
    margin: 30% auto;
    cursor: pointer;
}
.dsSelect .center .dsButton:hover{
    background-color:#485d74;
}