body {background-color: #2F4056}
footer {position:fixed;bottom:1px;left:50%;transform: translate(-50%);}
footer p, a {color: #888;}
.login-form {width:320px;position:absolute;left:50%;top:48%;transform: translate(-50%, 50%);}
.login-title {text-align:center;letter-spacing:5px;padding-bottom:15px;color: #ddd;}
.login-title h1 {font-weight:bold;}
.layui-form-item {position:relative;font-size: 16px;}
.layui-form-item label {position:absolute;left:1px;top:1px;width:38px;line-height:44px;text-align:center;color:#999;font-size: 18px;}
.layui-input {border-radius: 3px;line-height: 48px;padding-left:36px;}
.layui-input, .layui-btn {height: 48px;}
.captcha {width:60%;display:inline-block;}
.captcha-img {height:46px;width: 110px;float:right;border-radius:3px;border: 1px solid #ddd;}