.login-box {
    width: 830px;
    height: 720px;
    position: fixed;
    top: 56%;
    left: 50%;
    margin-top: -410px;
    margin-left: -465px
   }
   .login-box .login-logo{
    display: block;
    width: 80%;
    margin:0 auto;
   }
   .login-box .login-form{
    width: 580px;
    height: auto;
    overflow: hidden;
    margin: 30px auto 0;
   }
   .login-box .login-form .form-item{
    box-sizing: border-box;
    width: 100%;
    height: 64px;
    border-radius: 4px;
    padding:15px 0;
    margin-bottom:30px;
    position: relative;
   }
   .login-box .login-form .form-item.border{
    border:2px solid #ffffff;
   }
   .login-box .login-form .form-item i.icon{
    display: block;
    float: left;
    width: 70px;
    height: 100%;
    border-right: 2px solid #ffffff;
    box-sizing: border-box;
   }
   .login-box .login-form .form-item i.icon.icon1{
    background:url(../../images/login/user.png) center no-repeat;
   }
   .login-box .login-form .form-item i.icon.icon2{
    background:url(../../images/login/code.png) center no-repeat;
   }
   .login-box .login-form .form-item input{
    box-sizing: border-box;
    width: calc(100% - 70px);
    height: 100%;
    padding:0 10px;
    background: transparent;
    color: #ffffff;
    float:left;
    border:0;
    outline: none;
    font-size: 18px;
   }
   .login-box .login-form .form-item input[name='verifycode']{
    width: calc(100% - 270px);
   }
   .login-box .login-form .form-item input[type='checkbox']{
    width: 15px;
    height: 15px;
    border:1px solid #bfbfbf;
   }
   .login-box .login-form .form-item img{
    width: 200px;
    height: 60px;
    position: absolute;
    right: 0;
    top:0;
   }
   .login-btn{
    display: block;
    width:580px;
    height: 80px;
    background-color: #0055ff;
    color:#ffffff;
    font-size: 24px;
    margin:0 auto;
    border:0;
    outline: none;
    border-radius: 100px;
   }