多说评论设置CSS，实现用户头衔功能

#ds-thread #ds-reset a.ds-user-name[data-user-id='多说ID']:after{
     content: "V";
    margin-left: 6px;
    font-size: 12px;
    color: #EBCD3E;
    border-radius: 3px;
    padding: 1.5px 4px;
    display: inline-block;
    margin: 0 5px;
    font-weight: 900;
    background: #CE1B08;}