bulma/sass/elements/image.scss

@use "../utilities/initial-variables" as iv;
@use "../utilities/css-variables" as cv;
@use "../utilities/mixins" as mx;

$dimensions: 16 24 32 48 64 96 128 !default;

.#{iv.$class-prefix}image {
  display: block;
  position: relative;

  img {
    display: block;
    height: auto;
    width: 100%;

    &.#{iv.$class-prefix}is-rounded {
      border-radius: cv.getVar("radius-rounded");
    }
  }

  &.#{iv.$class-prefix}is-fullwidth {
    width: 100%;
  }

  // Ratio
  &.#{iv.$class-prefix}is-square {
    img,
    .#{iv.$class-prefix}has-ratio {
      @include mx.overlay;
      height: 100%;
      width: 100%;
    }
  }

  &.#{iv.$class-prefix}is-square {
    aspect-ratio: 1;
  }

  @each $pair in iv.$aspect-ratios {
    $w: nth($pair, 1);
    $h: nth($pair, 2);

    &.#{iv.$class-prefix}is-#{$w}by#{$h} {
      aspect-ratio: #{$w} / #{$h};

      img,
      .#{iv.$class-prefix}has-ratio {
        @include mx.overlay;
        height: 100%;
        width: 100%;
      }
    }
  }

  // Sizes
  @each $dimension in $dimensions {
    &.#{iv.$class-prefix}is-#{$dimension}x#{$dimension} {
      height: $dimension * 1px;
      width: $dimension * 1px;
    }
  }
}