body {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 25px;
}

.container-fluid {
    width: 100%;
    max-width: 800px;
    padding: 30px;
    background: #111;
    border: none;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
}

.big-text {
    font-size: 2rem;
}

.medium-text {
    font-size: 1.5rem;
}