body, html { margin: 0; padding: 0; height: 100%; overflow-x: hidden; /* Prevent horizontal scroll */ } .iframe-container { width: 100%; height: 80vh; /* Fixed height for the iframe */ overflow: auto; /* Allow iframe content to scroll if necessary */ } iframe { width: 100%; height: 100%; border: none; } .content-below { padding: 20px; text-align: center; background-color: #f4f4f4; /* Background to distinguish the content block */ }