engagementgamelab/CivicSeed

// 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