body {
    font-family: 'Comic Sans MS', cursive, sans-serif;
    background-color: #e0f7fa;
    margin: 0;
    padding: 0;
}

header {
    background-color: #00796b;
    color: #ffffff;
    padding: 15px;
    text-align: center;
}

nav {
    background-color: #004d40;
    padding: 10px;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px;
    display: inline-block;
}

main {
    padding: 20px;
}

h1, h2, h3 {
    color: #004d40;
}

button {
    background-color: #004d40;
    color: #ffffff;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #00796b;
}

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