main {
  padding: 44px;
  text-align: center;
}
h2 {
  color: #d62828; 
  margin-bottom: 20px;
}
iframe {
  width: 100%;
  max-width: 800px;
  height: 450px;
  border: 0;
  border-radius: 10px;
}
.back {
  display: inline-block;
  margin-top: 30px;
  background: #d62828; 
  color: white;
  padding: 15px 30px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
}