.btn {
  border: none;
  border-radius: 0.2rem;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  cursor: pointer;
  transition-duration: 150ms;
  opacity: .9; }
  .btn:hover {
    box-shadow: rgba(0, 0, 0, 0.24) 0px 0px 0px;
    opacity: 1; }
  .btn:active {
    box-shadow: rgba(0, 0, 0, 0.24) 0px 0px 0px;
    opacity: 1; }