message: Group: fixed separator behavior for regular size
diff: padding-right: 8px;
  }
  +.Group:last-of-type .Group__inner--sizeX-regular + .Group__separator {
  + display: block;
  +}
  +
  @media (min-resolution: 2dppx) {
  .Group__inner--sizeX-regular {
  box-shadow: inset 0 0 0 .5px var(--input_border);
  