body { 
  background-color:pink; 
  font-family: Helvetica, Arial, sans-serif;
}

button, .button {
  background-color: plum;
  border-radius: 10px;
  width: 20%;
  font-size: large;
  color: white;
  display: inline-block;
  margin: 0;
  text-align: center;
}

button:hover, button:focus, .button:hover, .button:focus {
  background-color:lightpink;
}

footer {
  background-color:plum;
  position: fixed;
  font-size: large;
  bottom: 0;
}