a:hover {
       cursor: pointer;
       background-color: yellow;
    }


.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: orange;
  color: black;
  text-align: center;
}


.button {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
}

.button5 {border-radius: 50%;}