body {
  font-family: 'Orbitron', sans-serif;
  margin: 0;
  background: #fef8e7;
  color: #333;
}
header {
  text-align: center;
  background: #ffdc8b;
  padding: 2em 1em;
}
.banner {
  max-width: 100%;
  height: auto;
}
nav {
  text-align: center;
  background: #ffd24d;
  padding: 1em 0;
}
nav button {
  background: #fff1c1;
  border: 2px solid #dba400;
  padding: 0.5em 1em;
  margin: 0 0.5em;
  font-size: 1em;
  cursor: pointer;
}
section {
  padding: 2em;
  max-width: 800px;
  margin: auto;
}
.preview {
  width: 100%;
  border: 2px solid #ccc;
  margin-top: 1em;
}
form {
  text-align: center;
}
input[type="email"] {
  padding: 0.5em;
  font-size: 1em;
  width: 60%;
  margin-bottom: 1em;
}
button[type="submit"] {
  padding: 0.5em 2em;
  font-size: 1em;
  background-color: #ffd24d;
  border: 2px solid #dba400;
  cursor: pointer;
}
footer {
  text-align: center;
  padding: 1em;
  background: #ffdc8b;
  margin-top: 2em;
}