html,
body {
  height: 100%;
  margin: 0;
  background-color: #00ff00;
  background-image: linear-gradient(180deg, #fff, rgba(255,255,255,0));
  font-family: 'Courier New', Courier, monospace;
}

section {
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

footer {
  width: auto;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

footer p {
  cursor: pointer;
  font-weight: bold;
}

footer p:hover {
  text-decoration: underline;
}