body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 700px;
}

h1, h2 {
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}

.comment-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 5px;
}

/* ... (rest of the CSS for inputs, buttons, comments, etc.) ... */

.comment {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9em;
    color: #555;
}

.comment-author {
    font-weight: bold;
    color: #007bff;
}

.comment-date {
    color: #888;
}

.comment-content {
    line-height: 1.6;
    color: #333;
    white-space: pre-wrap;
}

.no-comments {
    text-align: center;
    color: #777;
    font-style: italic;
    margin-top: 20px;
}