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Contents
/* ==========================================================================
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;
}
}
Version data entries
12 entries across 12 versions & 3 rubygems