body {
            background-color: rgb(1,132,168);
            background-repeat: no-repeat;
            background-position: top center;
            background-size: cover;
            font-family: 'Microsoft YaHei';
            padding: 10px;
        }

        h1 {
            width: 100%;
            margin: 0 auto;
            line-height: 60px;
            font-weight: 700;
            color: #fff;
        }

        .login-bk {
            background-color: rgba(255, 255, 255,0.6);
            border-radius: 10px;
            padding: 20px;
            margin-top: 30px;
            width: 30%;
            min-width: 270px;
        }

        .input-group {
            margin-bottom: 10px;
        }

        .btn-warning {
            background-color: orange;
            width: 100%;
        }

        .mui-content-padded {
            margin: 0 !important;
        }

        #power_logo {
            width: 80px;
            margin: 20px auto;
            display: block;
        }