body {
  font-family: Arial, sans-serif;
  background: #f2f2f2;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px;
}
header {
  background: #000;
  color: #fff;
  padding: 20px 0;
  text-align: center;
}
h1 a {
  color: #fff;
  text-decoration: none;
}
.form-section, .info-section {
  background: #fff;
  margin-top: 20px;
  padding: 20px;
  border-radius: 8px;
}
input[type='url'] {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
}
button {
  background-color: #E1306C;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
}
button:hover {
  background-color: #C13584;
}