body {
    background-color: #f0f8ff;
    font-family: 'Trebuchet MS', sans-serif;
    color: #333;
}

header {
    background-color: #98fb98;
    padding: 20px;
    text-align: center;
}

header h1 a {
    text-decoration: none;
    color: #333;
}

nav {
    display: flex;
    justify-content: center;
    background-color: #3cb371;
    padding: 10px;
}

nav a {
    color: #fff;
    padding: 14px 20px;
    text-decoration: none;
}

nav a:hover {
    background-color: #2e8b57;
    border-radius: 4px;
}

main {
    padding: 20px;
}

.emoji {
    font-size: 2rem;
}

footer {
    background-color: #98fb98;
    padding: 10px;
    text-align: center;
}

footer a {
    color: #333;
    text-decoration: none;
}