styles.css

body {
  padding: 12px;
  background: #171c1f;
  color: #fff;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 500;
}
button {
  transition: all 0.2s ease-out;
  margin: 4px;
  cursor: pointer;
  background: rgb(116, 20, 63);
  border: 0;
  color: #fff;
  min-width: 90px;
  padding: 8px 12px;
  outline: none;
  text-transform: uppercase;
  letter-spacing: 1.3px;
  font-size: 0.6rem;
  border: 1px solid #fff;
}
button:hover {
  background: none;
  color: #fff;
}
button:active {
  background: #fa3402;
}