message: fix(aio): fix `code-example` print styles when printing backgrounds
  Fixes
  PR Close
diff: code-example {
  &.code-shell, &[language=sh], &[language=bash] {
  + background: none;
  +
  .pnk, .blk, .pln, .otl, .kwd, .typ, .tag, .str, .atv, .atn, .com, .lit, .pun, .dec {
  color: $darkgray;
  }
  }
  header {
  + background: none;
  border: 0.5px solid $lightgray;
  color: $darkgray;
  }
  