a {
  text-align: center;
  width: 10%;
  display: block;
  margin: 10px;
  padding: 10px;
  background: pink;
  border-radius: 5px;
  color: black;
  text-decoration: none;
  font-size: 24px;
  transition: all 0.5s ease;
  
  &:hover {
    background: blue;
    color: white;
  }
}