.btn {
  margin: 64px auto;
  text-align: center;
}
.btn a {
  background-color: #ebdb37;
  color: #565656;
  text-decoration: none;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 0.2rem;
  padding: 24px;
  border-radius: 35px 0 35px 0;
  box-shadow: 0 0 5px #565656;
  transition: ease-in-out 500ms;
}
.btn a:hover {
  border-radius: 0 35px 0 35px;
}
@media screen and (max-width: 799px) {
  .btn a {
    font-size: 0.725rem;
    padding: 12px;
  }
}