* {
    text-align: center;
}

body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1, h2, h3 {
    color: #333;
}

.code-box {
    background: #f4f4f4;
    border: 1px solid #ddd;
    padding: 15px;
    margin: 15px auto;
    text-align: left;
    font-family: monospace;
    border-radius: 5px;
    max-width: 800px;
}

.info-table {
    margin: 20px auto;
    border-collapse: collapse;
    width: 80%;
}

.info-table th, .info-table td {
    border: 1px solid #333;
    padding: 10px;
    text-align: center;
}

.info-table th {
    background-color: #4CAF50;
    color: white;
}

.section {
    margin: 30px 0;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

ul {
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}