.form{position:relative;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:start;-ms-flex-align:start;align-items:flex-start}.code-btn{width:100px;height:24px;line-height:20px;position:absolute;top:5px;right:5px;z-index:222;color:#409eff;font-size:14px;border:none;border-left:1px solid #bababa;padding-left:10px;background-color:#fff;cursor:pointer}