iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}

body {
  font-family: Arial, sans-serif;
  margin: 20px;
  text-align: center;
}

h1 {
  text-align: center;
}

h3 {
  text-align: center;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input {
  margin: 10px;
  padding: 5px;
  width: 200px;
  border: 1px solid #ccc;
}

button {
  margin: 10px;
  padding: 5px 10px;
  border: 1px solid #ccc;
  background-color: #000;
  color: #fff;
  cursor: pointer;
}

button:hover {
  background-color: #333;
}


img {
  margin: 10px;
  width: 100%;
  height: auto;
}

img:hover {
  opacity: 0.7;
}

@media (max-width: 768px) {
  img {
    width: 100%;
  }
}

table {
  width: 100%;
  border-collapse: collapse;
}

td {
  padding: 10px;
  text-align: center;
}