@import "principal.css";
body {
  background-color: black;
  color: yellow;
  font-size: 1.5em;
  line-height: 1.6;
}

a {
  color: cyan;
  text-decoration: underline;
}

header, footer {
  background-color: #000;
  border-bottom: 3px solid yellow;
}

button, input, select {
  background: black;
  color: yellow;
  border: 2px solid yellow;
  font-size: 1.2em;
}