<style type="text/css">        .demok3_input {    transition: all 0.30s ease-in-out;    -webkit-transition: all 0.30s ease-in-out;    -moz-transition: all 0.30s ease-in-out;    border: #35a5e5 1px solid;    border-radius: 3px;    outline: none;}.demok3_input:focus {    box-shadow: 0 0 5px rgba(81, 203, 238, 1);    -webkit-box-shadow: 0 0 5px rgba(81, 203, 238, 1);    -moz-box-shadow: 0 0 5px rgba(81, 203, 238, 1);}.demok3_a {    text-decoration: none;    -webkit-transition: all linear 0.30s;    -moz-transition: all linear 0.30s;    transition: all linear 0.30s;    background: rgba(81, 203, 238, 1);    color: white;    padding: 6px 25px 6px 25px;    font: 12px ‘微软雅黑‘;    border-radius: 3px;}.demok3_a:hover {    background: rgba(39, 154, 187, 1);}</style>

<input class="demok3_input" type="text" placeholder="用户名或邮件地址"  style="height: 25px"/><input class="demok3_input" type="password" placeholder="请输入密码"  style="height: 25px"/><a class="demok3_a" href="#">登陆</a>