Carstens Typora User CSS. Typora docs: https://support.typora.io/Add-Custom-CSS/

typora-base.user.css

/**
 * Carstens Custom CSS for Typora styles
 * https://support.typora.io/Add-Custom-CSS/
 *
 * Gist: https://gist.github.com/tomkyle/6ce9cee5d944cc5127be82a606c8a20f
 */

:root {
  --font-family: 'Fira Sans', 'Roboto', sans-serif;
}

/* --------------------------------------------
 * Border above h2
 * --------------------------------------------
 */
@media screen {
  hr {
    height: 0.75rem;
  }
}


/* --------------------------------------------
 * Page breaks
 *
 * https://support.typora.io/Page-Breaks/
 * --------------------------------------------
 */
@media print, (overflow-block: paged) or (overflow-block: optional-paged)
{
  /* Move top-level headings to a new page on the right-hand side: */
  h1
  {
    page-break-before: right; /* CSS 2 */
    break-before: recto;      /* CSS 3+,
      also works for languages written and paginated right-to-left */
  }
  /* Override the previous ruleset for the very first heading: */
  h1:first-of-type,
  section > h1:first-child
  {
    page-break-before: avoid; /* CSS 2 */
    break-before: avoid;      /* CSS 3+ */
  }
  /* Force second-level headings to begin in a new column or
     possiblyon a new page if it was in the last of multiple columns otherwise: */
  h2
  {
    break-before: column;
  }
  /* Headings should not be the last paragraph on a page: */
  h1, h2, h3, h4, h5, h6
  {
    page-break-after: avoid;
  }
  /* Consecutive headings with deepening level should not be split across pages: */
  h1+h2, h2+h3, h3+h4, h4+h5, h5+h6
  {
    page-break-before: avoid;
  }
}