select{
    font-family: "微软雅黑";
    /* margin:100px; */
    background: rgba(0,0,0,0);
     width: 249px;
    height: 100%;
    /* font-size: 18px; */
    /* color: white; */
    text-align: center;
    border: 1px #1a1a1a solid;
    border-radius: 5px;
    appearance:none;
}
option{
    color: black;
    background: #A6E1EC;
    line-height: 20px;
}
select:focus{
    border: 2px #ddd solid;
    box-shadow: 0 0 15px 1px #DDDDDD;
}
option:hover{
    background: #EBCCD1;
}