body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #e0f7fa;
    color: #333;
}

header {
    background-color: #00796b;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

header p {
    margin: 5px 0;
    font-size: 1.2em;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    background-color: #004d40;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    background-color: #00796b;
}

main {
    padding: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

main section {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

main section h2 {
    text-align: center;
    color: #00796b;
    margin-bottom: 20px;
}

footer {
    background-color: #004d40;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}