j2is

{### 
 # macros for responsive images
 #
 # https://straightupcraft.com/articles/responsive-images-with-twig-macros
 # https://nystudio107.com/blog/creating-optimized-images-in-craft-cms
 #
 # usage simple: {{ macro_img.responsive(asset) }}
 # usage extra:  {{ macro_img.responsive(assetThumbnail, {alt: 'some thumb', class: ['thumb-class'], {style: 'thumb'}}) }}
#}