body {
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
}

h1, h3 {
    color: #343a40;
}

.step {
    display: none;
}

.step.active {
    display: block;
}

.progress {
    height: 1.5rem;
}

.alert {
    margin-top: 20px;
}