.main-container {
    height: 100vh;
    .left-pannel {
        box-sizing: border-box;
        height: 100vh;
    }
    .center-pannel {
        height: 100vh;
        background-color: #f6fcff;
        margin-top: 63px;
        .loading-img {
            margin: 40% auto;
        }
        .stepper-box {
            margin-bottom: 40px;
        }
        .stepper {
            position: absolute;
            left: 60px;
        }
        // .challenge {
        // }
    }
    .cong-selected-box {
        padding: 10px;
    }
    .right-pannel {
        height: 100vh;
        position: relative;
    }
}

.success-container {
    height: 100vh;
}