message: Fix card-width on css-editing view
diff: .cardhost-cards.editing-css {
  padding-left: 0;
  width: 100%;
  - padding-right: 60%;
  + padding-right: 40%;
  transition: var(--ch-card-padding-animate), var(--ch-card-background-color-animate);
  background-color: var(--ch-dark-background);
  }
  