blob: 193e30043cd10bcb265a7d59e55d17598e1b9f7f [file] [log] [blame]
Michael Landoefa037d2017-02-19 12:57:33 +02001// Image Mixins
2// - Responsive image
3// - Retina image
4
5// Responsive image
6//
7// Keep images from scaling beyond the width of their parents.
8@mixin img-responsive($display: block) {
9 display: $display;
10 max-width: 100%; // Part 1: Set a maximum relative to the parent
11 height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching
12}
13
14// Retina image
15//
16// Short retina mixin for setting background-image and -size. Note that the
17// spelling of `min--moz-device-pixel-ratio` is intentional.
18@mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) {
19 background-image: url(if($bootstrap-sass-asset-helper, twbs-image-path("#{$file-1x}"), "#{$file-1x}"));
20
21 @media only screen and (-webkit-min-device-pixel-ratio: 2),
22 only screen and (min--moz-device-pixel-ratio: 2),
23 only screen and (-o-min-device-pixel-ratio: 2/1),
24 only screen and (min-device-pixel-ratio: 2),
25 only screen and (min-resolution: 192dpi),
26 only screen and (min-resolution: 2dppx) {
27 background-image: url(if($bootstrap-sass-asset-helper, twbs-image-path("#{$file-2x}"), "#{$file-2x}"));
28 background-size: $width-1x $height-1x;
29 }
30}