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Commit | Line | Data |
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91e44d91 S |
1 | // Image Mixins |
2 | // - Responsive image | |
3 | // - Retina image | |
4 | ||
5 | ||
6 | // Responsive image | |
7 | // | |
8 | // Keep images from scaling beyond the width of their parents. | |
9 | ||
10 | @mixin img-fluid { | |
11 | // Part 1: Set a maximum relative to the parent | |
12 | max-width: 100%; | |
13 | // Part 2: Override the height to auto, otherwise images will be stretched | |
14 | // when setting a width and height attribute on the img element. | |
15 | height: auto; | |
16 | } | |
17 | ||
18 | ||
19 | // Retina image | |
20 | // | |
21 | // Short retina mixin for setting background-image and -size. | |
22 | ||
23 | @mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) { | |
24 | background-image: url($file-1x); | |
25 | ||
26 | // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio, | |
27 | // but doesn't convert dppx=>dpi. | |
28 | // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard. | |
29 | // Compatibility info: http://caniuse.com/#feat=css-media-resolution | |
30 | @media | |
31 | only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx | |
32 | only screen and (min-resolution: 2dppx) { // Standardized | |
33 | background-image: url($file-2x); | |
34 | background-size: $width-1x $height-1x; | |
35 | } | |
36 | } |