#preview_frame {
  display: block;
  margin-right: auto;
  margin-left: auto;

  border: 1px solid #E2E8F0;

  transition: max-width .3s ease-in-out, width .3s ease-in-out;

  &.breakpoint {
    width: 100%;
    max-width: 1920px;
    //max-width: 100%;

    &--mobile {
      max-width: 375px;
    }

    &--tablet {
      max-width: 768px;
    }
  }

}