fix: embed pdf aspect ratio (closes #1310)

Jacky Zhao

2024-08-06 3938904cd096205b27741538655c3fb18cd401be

 quartz/components/styles/legacyToc.scss

@@ -12,7 +12,7 @@
      margin: 0;
    }
  }
    

  & ul {
    list-style: none;
    margin: 0.5rem 1.25rem;