.hero_image-hero{ width:100%; background-size:cover; display:inline-block; }
.hero_image-hero:after{ content:''; display:block; padding-top:40.17094017094%; }
.imagesround_imageronde{ width:100%; background-size:cover; display:inline-block; }
.imagesround_imageronde:after{ content:''; display:block; padding-top:100%; }