body {
  font-family: 'Courier New', monospace;
  margin: 0;
  padding: 0;
  background-color: #111;
  color: #0f0;
}
header {
  background: #000;
  text-align: center;
  padding: 1rem;
}
.logo {
  max-width: 120px;
}
main {
  padding: 1rem;
}
ul {
  list-style: none;
  padding-left: 0;
}
input, textarea {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.5rem;
  font-family: monospace;
  background: #222;
  color: #0f0;
  border: 1px solid #0f0;
}
button {
  padding: 0.5rem 1rem;
  background: #0f0;
  color: #000;
  border: none;
  font-weight: bold;
  cursor: pointer;
}
footer {
  text-align: center;
  padding: 1rem;
  background: #000;
}
.redes a, .whatsapp a {
  color: #0f0;
  text-decoration: none;
  margin: 0 1rem;
  display: inline-block;
}
@media (max-width: 600px) {
  .logo {
    max-width: 80px;
  }
}