.contener_general *{-webkit-transition:all 0.7s;-moz-transition:all 0.7s;-ms-transition:all 0.7s;transition:all 0.7s} .carreaux_presentation_light{display:table-cell;width:210px;height:50px;background-size:cover;overflow:hidden} .carreaux_presentation_light .shadow_swhow_mini{background-color:rgba(19,30,33,0.4);z-index:1000;top:0;left:0;right:0;bottom:0} .carreaux_presentation_light:hover .shadow_swhow_mini{background-color:rgba(16,23,41,0)}