body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #002f66;
  color: white;
  background-image: url('fondo.png');
  background-size: 100% 100%;
  background-repeat: no-repeat
}

nav {
 /* background: #002f66; */
  text-align: center;
  padding: 20px 0;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: inline-flex;
  gap: 30px;
}

nav a {
  text-decoration: none;
  color: white;
  font-size: 1.2em;
  border-bottom: 3px solid yellow;
  padding: 5px 0;
}

.principal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  align-items: center;
  padding: 40px 20px;
}

.formulario {
  max-width: 400px;
}

h1 {
  font-size: 2.5em;
  color: #ffc107;
}

h2 {
  font-size: 1.8em;
  color: #ffffff;
  margin-bottom: 30px;
}

form input,
form textarea {
  width: 100%;
  margin-bottom: 15px;
  padding: 15px;
  border: none;
  border-radius: 30px;
  font-size: 1em;
}

form button {
  background-color: #ffc107;
  color: #002f66;
  border: none;
  border-radius: 25px;
  padding: 10px 20px;
  font-weight: bold;
  font-size: 1em;
  cursor: pointer;
}

.imagen img {
  width: 300px;
  max-width: 100%;
  height: auto;
}