message: Fix border for item decorator
diff: box-sizing: border-box;
  width: 30px;
  height: 30px;
  + border: solid 1px transparent;
  vertical-align: middle;
  }
  .sv-item__svg {
  transform: translate(-50%, -50%);
  }
  .sv-item__control:focus + .sv-item__decorator {
  - border: 1px solid $main-color;
  + border-color: $main-color;
  outline: none;
  }
  .sv-item__control-label {
  