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Diffstat (limited to 'assets/stylesheets/bootstrap/mixins/_image.scss')
| -rw-r--r-- | assets/stylesheets/bootstrap/mixins/_image.scss | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/assets/stylesheets/bootstrap/mixins/_image.scss b/assets/stylesheets/bootstrap/mixins/_image.scss index db590e3..91d2f59 100644 --- a/assets/stylesheets/bootstrap/mixins/_image.scss +++ b/assets/stylesheets/bootstrap/mixins/_image.scss @@ -21,12 +21,13 @@ @mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) { background-image: url($file-1x); + // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio, + // but doesn't convert dppx=>dpi. + // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard. + // Compatibility info: http://caniuse.com/#feat=css-media-resolution @media - only screen and (-webkit-min-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) { + only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx + only screen and (min-resolution: 2dppx) { // Standardized background-image: url($file-2x); background-size: $width-1x $height-1x; } |