// Image Mixins // - Responsive image // - Retina image

// Responsive image // // Keep images from scaling beyond the width of their parents. .img-responsive(@display: block) {

display: @display;
max-width: 100%; // Part 1: Set a maximum relative to the parent
height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching

}

// Retina image // // Short retina mixin for setting background-image and -size. Note that the // spelling of `min–moz-device-pixel-ratio` is intentional. .img-retina(@file-1x; @file-2x; @width-1x; @height-1x) {

background-image: url("@{file-1x}");

@media
only screen and (-webkit-min-device-pixel-ratio: 2),
only screen and (   min--moz-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) {
  background-image: url("@{file-2x}");
  background-size: @width-1x @height-1x;
}

}