.c-close {
  display: block;
  width: 12px;
  height: 12px;
  .hdpi-bg-image(@1x: data-uri('../close_x.png'); @2x: data-uri('../close_x_2x.png'));
  background-size: 12px;
  background-position: center;

  &:hover {
    .hdpi-bg-image(@1x: data-uri('../close_x_hover.png'); @2x: data-uri('../close_x_hover_2x.png'));
  }
}
