body {
    font-family: Arial, sans-serif;
    background-color: #eaf2f8;
    color: #333;
    margin: 0;
}

header {
    background-color: #2e86c1;
    color: white;
    text-align: center;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

main {
    width: 80%;
    margin: 20px auto;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

h2 {
    color: #2e86c1;
}

.example-box {
    background-color: #d6eaf8;
    border: 2px solid #2e86c1;
    padding: 15px;
    margin-top: 20px;
    border-radius: 8px;
}

footer {
    background-color: #2e86c1;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 30px;
}