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twbs--bootstrap/scss/mixins/_image.scss
Mark Otto 88bf5af896 Remove display from the .img-fluid utility
Creating max-width images is not dependent on the display, so setting it is redundant. Cleans up the comments and implementation of the mixin as well.

Fixes #20767
2016-10-09 14:14:39 -07:00

36 lines
1.1 KiB
SCSS

// Image Mixins
// - Responsive image
// - Retina image
// Responsive image
//
// Keep images from scaling beyond the width of their parents.
@mixin img-fluid {
// Part 1: Set a maximum relative to the parent
max-width: 100%;
// Part 2: Override the height to auto, otherwise images will be stretched
// when setting a width and height attribute on the img element.
height: auto;
}
// Retina image
//
// Short retina mixin for setting background-image and -size.
@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 (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;
}
}