body {
  background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
  color: white;
  font-family: 'Segoe UI', sans-serif;
  text-align: center;
  padding: 2rem;
}
.container {
  max-width: 600px;
  margin: auto;
}
.highlight {
  color: #00eaff;
}
input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  font-size: 1rem;
}
button {
  background-color: #00eaff;
  border: none;
  padding: 10px 20px;
  font-size: 1rem;
  border-radius: 5px;
  cursor: pointer;
}
button:hover {
  background-color: #00c2cc;
}
a button {
  text-decoration: none;
}