1 files changed, 30 insertions, 0 deletions
diff --git a/resources/scss/bootstrap/mixins/_image.scss b/resources/scss/bootstrap/mixins/_image.scss
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index 0000000..193e300
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+++ b/resources/scss/bootstrap/mixins/_image.scss
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+// Image Mixins
+// - Responsive image
+// - Retina image
+
+// Responsive image
+//
+// Keep images from scaling beyond the width of their parents.
+@mixin img-responsive($display: block) {
+  display: $display;
+  max-width: 100%; // Part 1: Set a maximum relative to the parent
+  height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching
+}
+
+// Retina image
+//
+// Short retina mixin for setting background-image and -size. Note that the
+// spelling of `min--moz-device-pixel-ratio` is intentional.
+@mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) {
+  background-image: url(if($bootstrap-sass-asset-helper, twbs-image-path("#{$file-1x}"), "#{$file-1x}"));
+
+  @media only screen and (-webkit-min-device-pixel-ratio: 2),
+  only screen and (min--moz-device-pixel-ratio: 2),
+  only screen and (-o-min-device-pixel-ratio: 2/1),
+  only screen and (min-device-pixel-ratio: 2),
+  only screen and (min-resolution: 192dpi),
+  only screen and (min-resolution: 2dppx) {
+	background-image: url(if($bootstrap-sass-asset-helper, twbs-image-path("#{$file-2x}"), "#{$file-2x}"));
+	background-size: $width-1x $height-1x;
+  }
+}