.yuding-block {
    width: 100%;
     
    margin-top: 8px;
    overflow: auto;
    padding-top: 10px;
    padding-bottom: 10px;
    font-family: "宋体";
    margin: 0px auto;
}
 .yuding-block h3 {
        color: #fff;
        height: 42px;
        line-height: 42px;
        text-align: center;
        font-size: 16px;
        border-bottom-left-radius: 20px;
        -webkit-border-bottom-left-radius: 20px;
        -moz-border-bottom-left-radius: 20px;
        border-top-right-radius: 20px;
        -webkit-border-top-right-radius: 20px;
        -moz-border-top-right-radius: 20px;
        background: #ff6600
 }