@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');

body {
  background-color: #003;
  color: white;
  font-family: "Open Sans", sans-serif;
  margin: auto;
  width: 95%;
  max-width: 600px;
}

header {
  font-size: 22px;
  text-align: center;
  margin: 0 0 12px;
  padding: 4px;
  border-bottom: 1px solid white;
}

main {
  text-align: center;
}

input, textarea, button {
  font-family: "Open Sans", sans-serif;
  background-color: #003;
  color: white;
  border: 1px solid white;
  border-radius: 6px;
  font-size: 18px;
  transition: box-shadow 0.3s ease, transform 0.2s ease;
}

input[type="submit"], button {
  cursor: pointer;
}

input:focus, textarea:focus, input:hover, button:hover {
  box-shadow: 0 0 8px 2px gold;
}

input[type="submit"]:active, button:active {
  transform: translateY(3px);
}