body {
    background-color: #f0f8ff;
    font-family: "Times New Roman", Times, serif;
    color: #333;
}

header {
    border-bottom: 2px solid #000;
    padding: 10px 0;
    text-align: center;
}

nav a {
    color: #0000ff;
    text-decoration: none;
    padding: 10px;
}

nav a:hover {
    color: #ff4500;
}

footer {
    border-top: 2px solid #000;
    padding: 10px 0;
    text-align: center;
}

button {
    font-weight: bold;
    padding: 10px 15px;
    cursor: pointer;
    background-color: #008000;
    color: #fff;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #006400;
}