.button {
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.5;
  text-align: center;
  transition: background-color 300ms;
  padding: 0.5rem 1rem;
}

.button.blue {
  color: #FFF;
  background-color: #4cb4ff;
}
.button.blue:hover {
  background-color: #3CA4EF;
}

.button.green {
  color: #FFF;
  background-color: #00e661;
}
.button.green:hover {
  background-color: #00c641;
}

.button:disabled {
  background-color: #AAA;
  cursor: not-allowed;
}
.button:disabled:hover {
  background-color: #AAA;
}