html,
body {
  margin: 0;
  padding: 0;
}

main {
  text-align: center;
  position: relative;
}

footer {
  padding: 10px 0;
  position: fixed;
  bottom: 0;
  width: 100%;
  z-index: 2;
  text-align: center;
  background-color: #a7b216;
  color: #000094;
  font-weight: bold;
}

.responsive {
  max-width: 100%;
  height: auto;
}

@media (max-width: 500px) {
  main h1 {
    font-size: 50px;
    padding: 0 40px;
  }
}