body {
  margin: 4rem;
  font-size: 1.25rem;
  font-family: system-ui, sans-serif;
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 1em 2em;
  cursor: pointer;
  border: 0;
  text-decoration: none;
  text-transform: uppercase;
  color: white;
}
.btn__primary {
  background: #3f637d;
}
.btn__primary:hover,
.btn__primary:focus {
  background: #2b4355;
}
.btn__secondary {
  background: #4c4171;
}
.btn__secondary:hover,
.btn__secondary:focus {
  background: #2b2541;
}
.btn__accent {
  background: #efca5d;
  color: black;
}
.btn__accent:hover,
.btn__accent:focus {
  background: #d1a215;
}