footer {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  bottom: 0;
  width: 100%;
  padding-block: 1rem;
  max-width: var(--max-screen-size);
}

footer a {
  color: var(--color-white);
  width: var(--default-button-size);
  border: none;
  border-radius: 8px;
  padding-block: 1rem;
  box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.4);
  text-decoration: none;
}

footer button {
  color: var(--color-white);
  width: var(--default-button-size);
  border: none;
  border-radius: 8px;
  padding-block: 1rem;
  box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.4);
  text-decoration: none;
}

footer a:hover {
  opacity: 0.9;
}

footer a:active {
  opacity: 0.7;
}