// Set image sizes and background and inline file as base64 data:uri. // It will use `background-size` to set HiDPI (Retina) image. // // .button // +hidpi-inline(“nice/button.png”) @mixin hidpi-inline($path)

+image-size($path, 2)
background: inline($path) no-repeat
background-size: (image-width($path) / 2) (image-height($path) / 2)