body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 20px;
    background-color: #f8f9fa;
}

h1 {
    margin-bottom: 20px;
    font-size: 28px;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    text-align: center;
}

.icon {
    font-size: 40px;
    color: #007bff;
    margin-bottom: 10px;
}

.code {
    display: block;
    background: #eee;
    padding: 10px;
    border-radius: 5px;
    font-family: monospace;
}