/**
 * 图片相关快捷样式类
 *
 * @since 1.0.0
 * @version 1.0.0
 */

.bg {
  backface-visibility: hidden;
  background-position: center center;
  background-repeat: no-repeat;
  display: inline-block;
  line-height: 1;

  &.size-cover {
    background-size: cover;
  }

  &.size-contain {
    background-size: contain;
  }

  &.position-top {
    background-position: center top;
  }

  &.position-bottom {
    background-position: center bottom;
  }
}