message: Change style of `emphasize-draft-pr-label`
diff: -span[aria-label='Open draft pull request'] {
  - display: inline-flex;
  - align-items: center;
  - justify-content: center;
  - width: 1.6em;
  - height: 1.6em;
  - margin-left: -0.4em;
  - margin-right: -0.1em;
  - background: #bbb;
  - border-radius: 50%;
  -}
  -
  -span[aria-label='Open draft pull request'] svg {
  +.js-issue-row [aria-label='Open draft pull request'] svg {
  color: #fff !important;
  + filter: drop-shadow(#000 0 0 0.7px);
  }
  