39 lines
1.4 KiB
SCSS
39 lines
1.4 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;
|
|
}
|
|
}
|