postcss-editor-styles/test/substring.expect.css

Remove your editor-styles from the global scope

.component-library h1 {
  font-size: 2rem;
}

.component-library b {
  font-weight: 600;
}

.component-library li {
  padding-left: 4px;
}

.component-library button {
  outline: none;
}

.component-library a {
  text-decoration: none;
}