@media (min-width: 640px) {
  .main-header > h1 {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
  }

  .main-header > h1::before,
  .main-header > h1::after {
    content: " ";
    flex: 1;
    height: 3px;
    background: var(--color-main-green);
  }
}