.pearltrees-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.pearltrees-container iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 4px;
    background: #f5f5f5;
}