element-plus/packages/theme-chalk/src/image.scss

@use 'mixins/mixins' as *;
@use 'common/var' as *;

%size {
  width: 100%;
  height: 100%;
}

@include b(image) {
  position: relative;
  display: inline-block;
  overflow: hidden;

  @include e(inner) {
    @extend %size !optional;
    vertical-align: top;
    opacity: 1;
    @include when(loading) {
      opacity: 0;
    }
  }

  @include e(wrapper) {
    @extend %size !optional;
    position: absolute;
    top: 0;
    left: 0;
  }

  @include e(placeholder) {
    @extend %size !optional;
    background: getCssVar('fill-color', 'light');
  }

  @include e(error) {
    @extend %size !optional;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 14px;
    background: getCssVar('fill-color', 'light');
    color: getCssVar('text-color', 'placeholder');
    vertical-align: middle;
  }

  @include e(preview) {
    cursor: pointer;
  }
}