* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

body {
    background-color: #FFFFFF;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #4A90E2;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    list-style: none;
    gap: 1.5rem;
    padding: 0.5rem;
}

.navbar a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    padding: 0.5rem 1rem;
}

.navbar a:hover {
    color: #FFFFCC;
}

main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.text {
    font-size: 1em;
    font-weight: bold;
    margin-top: 1em;
}

@media (max-width: 600px) {
    .navbar ul {
        flex-direction: column;
        align-items: center;
    }

    main {
        padding: 1rem;
    }
}