.component--my-card {
  max-width: 500px;
  margin: 15px auto;
  color: #f1f1f1;
  border: 1px solid #141414;
  background-color: #252525;
}

.component--my-card__header {
  margin: 0;
  padding: 12px 24px 5px 24px;
  border-bottom: 1px solid #4a4a4a;
  font-size: 2.5rem;
  font-weight: bold;
}

.component--my-card__body {
  padding: 12px 24px 24px 24px;
}
.component--my-card__body .component--my-button {
  display: block;
  margin: 0 auto;
}