body {
  background: radial-gradient(circle, rgba(12,171,245,0.863), green);
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

nav {
  background-color: darkcyan;
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem 0;
  width: 100%;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-size: 18px;
}

nav a:hover {
  text-decoration: underline;
}

main {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  margin: 3rem auto;
  width: 320px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

h1 {
  text-align: center;
  color: darkcyan;
}

form {
  display: flex;
  flex-direction: column;
}

label {
  margin-top: 10px;
  font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="tel"] {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-top: 5px;
}

input[type="submit"] {
  background-color: darkcyan;
  color: white;
  border: none;
  padding: 10px;
  border-radius: 6px;
  margin-top: 20px;
  cursor: pointer;
  font-weight: bold;
}

input[type="submit"]:hover {
  background-color: rgb(0, 128, 128);
}