newbb/public/static/common/css/install.css

body {
    text-align: center;
}

h1 {
    margin-top: 20px;
}

h1 img {
    width: 120px;
    height: 120px;
}

h2 {
    font-size: 28px;
    font-weight: normal;
    color: #3C5675;
    margin-bottom: 0
}

.content {
    margin-top: 20px;
}

.content p {
    margin: 20px;
}

.content form {
    width: 500px;
    margin: 0 auto 20px;
}

.content form .bg {
    margin-top: 20px;
    background-color: #fff;
    border: 1px solid #fff;
    border-radius: 3px;
    padding: 14px 14px;
    box-shadow: 0 0 8px #cccccc;
}

.content form .bg .layui-card {
    background-color: #fafafa;
    color: #ff8080;
    font-size: 15px;
    font-weight: bold;
}

.content form .layui-form-item:last-child {
    margin-bottom: 0 !important;
}

.content form .layui-btn {
    margin-top: 20px;
}

.content .layui-elem-field legend {
    font-size: 16px;
    color: #8a8a8a;
}

.content .tips {
    float: left;
    margin-top: 5px;
    margin-bottom: 5px;
    font-size: 12px;
    color: #eca6a6
}

.content .admin-tips {
    float: left;
    margin-top: 5px;
    margin-bottom: 5px;
    font-size: 12px;
    color: #eca6a6
}

.content .desc {
    font-size: 16px;
    color: #4E5465;
    margin-bottom: 30px;
}

.content .desc a {
    color: #07adeb;
    margin-right: 10px;
}

.content .desc a:first-child {
    margin-left: 10px;
}

.error {
    background: #D83E3E;
    color: #fff;
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

@media screen and (max-width: 768px) {
    .content form {
        width: 95%;
    }
}