html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

body {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  overflow-x: hidden;
}

main {
  flex: 1 0 auto;
}

.footer {
  position: relative;
  margin-top: auto;
  width: 100%;
  z-index: 1030;
  background-color: #000;
  color: #fff;
  padding: 1rem 0;
  text-align: center;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.4);
}

.footer a {
  color: #fff;
  text-decoration: none;
  margin: 0 0.3rem;
}

.footer a:hover {
  text-decoration: underline;
  color: #0dcaf0;
}