.custom-nav {
    position: fixed;
}

.login-container {
    width: 100vw;
    height: 100vh;
    background-image: url(https://b.bdstatic.com/searchbox/icms/searchbox/img/immersive.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-color: #fff;
}

.login-area {
    position: fixed;
    bottom: 83px;
    right: 15px;
    left: 15px;
    border-radius: 20px 20px;
    background-color: #fff;
    padding: 20px 0 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
}

.buttonClass {
    background-color: #46897d;
    height: 95.3rpx;
    line-height: 95.3rpx;
}