.button {
  padding: .4em 2.3em;
  text-align: center;
  cursor: pointer;
  position: relative;
  display: inline-block;
  box-sizing: border-box;
  border: 1px solid transparent;
  background-color: #ddd;
  transition: color 0.4s ease-out, background-color 0.4s ease-out;
}
.button:hover,
.button:focus {
  background-color: #eee;
}
.button:focus {
  outline-color: #eee;
}