h1 {
    font-size: 2.25rem; /* text-4xl */
    font-weight: 700;   /* font-bold */
    line-height: 2.5rem;
    margin-bottom: 1rem;
  }
  h2 {
    font-size: 1.875rem; /* text-3xl */
    font-weight: 600;    /* font-semibold */
    line-height: 2.25rem;
    margin-bottom: 0.75rem;
  }
  h3 {
    font-size: 1.5rem;   /* text-2xl */
    font-weight: 600;    /* font-semibold */
    line-height: 2rem;
    margin-bottom: 0.75rem;
  }
  h4 {
    font-size: 1.25rem;  /* text-xl */
    font-weight: 600;    /* font-semibold */
    line-height: 1.75rem;
    margin-bottom: 0.5rem;
  }
  h5 {
    font-size: 1rem;     /* text-base */
    font-weight: 600;    /* font-semibold */
    line-height: 1.5rem;
    margin-bottom: 0.5rem;
  }
  h6 {
    font-size: 0.875rem; /* text-sm */
    font-weight: 600;    /* font-semibold */
    line-height: 1.25rem;
    margin-bottom: 0.5rem;
  }