body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: auto;
    padding: 20px;
    background-color: #f0f0f0;
}
.posts {
    margin-bottom: 20px;
}
.post {
    background: #fff;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
}
.post-name {
    font-weight: bold;
}
.post-message {
    margin-top: 5px;
}
.post-form input,
.post-form textarea {
    width: 100%;
    margin-bottom: 10px;
}
.post-form button {
    padding: 5px 10px;
}