.source.gfm {
  -webkit-font-smoothing: antialiased;
}

.gfm .markup.heading {
  font-weight: bold;
}

.gfm .bold {
  font-weight: bold;
}

.gfm .italic {
  font-style: italic;
}

.gfm .comment.quote {
  font-style: italic;
}

.gfm .raw {
  -webkit-font-smoothing: subpixel-antialiased;
}