html, body {
    height: 100%,
}

body {
    background-color: #FFFFFF;
    color: #404040;
}

.main-content {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.app-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items:center;
}