iso和Android的验证码输入框

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <title>Document</title>
    <style>
        *{
            margin:0;
            padding:0;
        }
        body{
            background: #000;
        }
        .qizhi_wrap{
            overflow: hidden;
/*            margin: 1rem;*/
            z-index: 1000;
        }
        .qizhi_txt{
            height: 1rem;
            width: 5rem;
            float: left;
            border:0;
            border-radius: 0; /*解决iphone safari上的圆角问题*/
            -webkit-appearance : none ;  /*解决iphone safari上的圆角问题*/
            border-bottom-left-radius: 0.1rem;
            border-top-left-radius: 0.1rem;
            text-indent: 12px;
        }
        .qizhi_btn{
            height: 1rem;
            width: 3rem;
            float: left;
            background: red;
            text-align: center;
            line-height: 1rem;
            border-bottom-right-radius: 0.1rem;
            border-top-right-radius: 0.1rem;
            font-size: 0.4rem;
            color:#fff;
        }
    </style>
</head>
<body>
<div class="qizhi_wrap">
    <input type="text" placeholder="请输入手机号" class="qizhi_txt">
    <div class="qizhi_btn">获取验证码</div>
</div>
    <script type="text/javascript" src="js/rem.js"></script>
</body>
</html>