.newsletter-item.card{border:1px solid #ddd;border-radius:10px;overflow:hidden}.newsletter-item .card-body{padding:0 20px}.newsletter-item iframe.pdf-preview{border-radius:10px;height:500px;margin-bottom:1rem;width:100%}.btn.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff}.btn.btn-primary:hover{color:var(--secondary-color)}