body {
    background-color: #e0ffe0;
    font-family: 'Comic Sans MS', cursive, sans-serif;
    color: #3e3e3e;
    margin: 0;
    padding: 0;
}

header {
    background-color: #4caf50;
    color: white;
    text-align: center;
    padding: 10px 0;
    font-size: 2em;
    font-weight: bold;
}

nav {
    display: flex;
    justify-content: space-around;
    background-color: #333;
    padding: 10px 0;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 10px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #575757;
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    flex-direction: column;
    padding: 20px;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

button, input[type=submit] {
    background-color: #4caf50;
    color: white;
    border: none;
    padding: 10px 15px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 8px;
}

button:hover, input[type=submit]:hover {
    background-color: #45a049;
}