message: Fix diff signs' positioning
diff: @@ -483,9 +483,9 @@ td.js-line-comments:last-child .timeline-comment-actions .add-reaction-popover::
  /* +/- Pseudo elements on diffs */
  .refined-github-diff-signs .blob-code-addition::before,
  .refined-github-diff-signs .blob-code-deletion::before {
  - display: inline-block;
  + margin-top: 1px;
  + margin-left: 4px;
  position: absolute;
  - top: 1px;
  color: rgba(0, 0, 0, 0.3);
  font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;
  font-size: 11px;
  