* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1rem;
    color: #555;
}

section {
    margin-bottom: 30px;
}

section h2, section h3, section h4 {
    color: #2c3e50;
    margin-top: 20px;
    font-size: 1.4rem;
}

section p {
    margin: 10px 0;
    font-size: 1rem;
}

section ul {
    list-style: disc;
    margin-left: 20px;
    font-size: 1rem;
}

section ul li {
    margin-bottom: 10px;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.6rem;
    }

    header p {
        font-size: 0.9rem;
    }

    section h2, section h3, section h4 {
        font-size: 1.2rem;
    }

    section p, section ul li {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.4rem;
    }

    header p {
        font-size: 0.8rem;
    }

    section h2, section h3, section h4 {
        font-size: 1rem;
    }

    section p, section ul li {
        font-size: 0.8rem;
    }
}