footer {
  position: relative;
  bottom: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background-color: var(--clr-overlay-2);
  width: 100vw;
}

footer a {
  text-decoration: none;
}

footer * {
  color: var(--clr-ylw-1);
}

footer ul {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  width: 80%;
}
footer ul li {
  list-style: none;
  font-size: 20px;
  margin: 5%;
}

footer ul li:hover {
  filter: brightness(1.2);
}