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

header {
    background-color: #333;
    color: white;
    padding: 10px;
    text-align: center;
}

header h1 {
    margin: 0;
}

#auth-links a {
    color: white;
    text-decoration: none;
}

main {
    padding: 20px;
}

textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    margin-bottom: 10px;
}

button {
    padding: 10px 20px;
    background-color: #333;
    color: white;
    border: none;
    cursor: pointer;
}

button:disabled {
    background-color: #ccc;
}

#post-list {
    margin-top: 20px;
}

.post {
    background-color: #f9f9f9;
    padding: 15px;
    margin: 10px 0;
    border: 1px solid #ccc;
}

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