.article-container {
    max-width: 800px;
    margin: 120px auto 0;
    padding: 20px;
}

.nav-buttons {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    padding: 10px;
    text-align: center;
    background: var(--nav-bg);
    box-shadow: var(--shadow);
}

.nav-button {
    display: inline-block;
    padding: 8px 16px;
    margin: 0 10px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-button:hover {
    background-color: var(--text-color);
}

.article-header {
    margin-bottom: 30px;
    text-align: center;
}

.article-title {
    font-size: 2em;
    color: var(--text-color);
    margin-bottom: 10px;
}

.article-meta {
    color: var(--secondary-text-color);
    font-size: 0.9em;
    margin-bottom: 20px;
}

.article-content {
    line-height: 1.8;
    color: var(--text-color);
}

.article-content p {
    margin-bottom: 20px;
}