Responsive design, c’est quoi ? Et pourquoi ?

[av_image src=’https://www.agence-geode.fr/wp-content/uploads/2016/05/comparing-responsive-css-frameworks-bootstrap-foundation-and-skeleton.jpg’ attachment=’1504′ attachment_size=’full’ align=’center’ styling= » hover= » link= » target= » caption= » font_size= » appearance= » overlay_opacity=’0.4′ overlay_color=’#000000′ overlay_text_color=’#ffffff’ animation=’no-animation’][/av_image] [av_textblock size= » font_color= »...