css3实现模拟select 以及其中的三角形_html/css_WEB-ITnose

<div class="select-bg">                         <select class="select-green">        <option value="">高级客户经理</option>        <option value="">中级客户经理</option>    </select>  </div>

.select-bg{    display:block;    width:200px;    margin:0 auto;    height: 30px;    line-height: 37px;    font-size: 13px;    border:1px #0f7fc7 solid ;    box-sizing:border-box;    cursor: pointer;    position: relative;}.select-bg:after{    content:' ';    position: absolute;    right:6px;    top:50%;    margin-top:-5px;    width:0px;      height:0px;      border-left:10px solid transparent;      border-right:10px solid transparent;      border-top:10px solid #0f7fc7;    font-size:0px;    line-height:0px}.select-green {    -webkit-appearance: none;    -moz-appearance: none;    appearance: none;    position: relative;    outline: none;    border: 0 none;    position: relative;    padding: 0 0 0 5px;    width: 100%;    color:#0f7fc7;    font-weight: bold;    background: none;    background-color: transparent;    font-size: 13px;    z-index: 99;    overflow: hidden;}