html, body {
    width: 100%;
    height: 100%;
    overflow: hidden
}

body {
    background: #009688;
}

body:after {
    content: '';
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-filter: blur(3px);
    -moz-filter: blur(3px);
    -o-filter: blur(3px);
    -ms-filter: blur(3px);
    filter: blur(3px);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.layui-container {
    width: 100%;
    height: 100%;
    overflow: hidden
}

.admin-login-background {
    width: 400px;
    height: 600px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -200px;
    margin-top: -250px;
}

.logo-title {
    text-align: center;
    letter-spacing: 2px;
    padding: 14px 0;
}

.logo-title h1 {
    color: #009688;
    font-size: 25px;
    font-weight: bold;
}

.login-form {
    background-color: #fff;
    border: 1px solid #fff;
    border-radius: 3px;
    padding: 14px 20px;
    box-shadow: 0 0 8px #eeeeee;
}

.login-form .layui-form-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode {
    width: 256px;
    height: 256px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode img,
.qrcode canvas {
    display: block;
}

.fa-check-circle {
    color: MediumSeaGreen;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.fa-times-circle {
    color: gray;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}