body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border: 1px solid #ccc;
}

header {
    text-align: center;
    border-bottom: 2px solid #333;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

h1 {
    margin: 0;
    font-size: 28px;
}

.tagline {
    color: #666;
    margin: 5px 0 0;
}

.post-button {
    text-align: center;
    margin: 20px 0;
}

.button {
    background: #0066cc;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
}

.button:hover {
    background: #004999;
}

.categories ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.categories li {
    background: #eee;
    padding: 8px 15px;
    border: 1px solid #ccc;
}

.listings table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.listings th, .listings td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}

.listings th {
    background: #f0f0f0;
}