body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

nav, footer {
    background: #333;
    color: white;
    padding: 1rem;
}

nav ul, footer ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

nav ul li a, footer ul li a {
    color: white;
    text-decoration: none;
}

nav ul li a:hover, footer ul li a:hover {
    text-decoration: underline;
}

main {
    padding: 2rem;
    text-align: center;
}

input, button {
    padding: 0.5rem;
    margin: 0.5rem;
}

#hashtags {
    margin-top: 1rem;
}

@media (max-width: 600px) {
    nav ul, footer ul {
        flex-direction: column;
        text-align: center;
    }
}