body {
  background-color: #ffffff;
  color: #000000;
  font-family: "Roboto", sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 32px;
  font-weight: 700;
}

p {
  font-size: 18px;
  margin-bottom: 20px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 20px;
}

.cta-input {
  padding: 12px;
  width: 100%;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  margin-bottom: 10px;
}

.cta-button {
  display: inline-block;
  padding: 12px 24px;
  background-color: #00ff00;
  color: #ffffff;
  font-size: 20px;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
  margin-top: 10px;
}

.cta-button:hover {
  background-color: #008800;
}

.error-message {
  color: red;
  font-size: 14px;
  margin-top: 10px;
}