.default-bg{position:relative;background-image:url(/images/bg/default.png);z-index:1}.default-bg,.default-bg:before{background-repeat:no-repeat;background-size:cover;width:100%;background-position:50%}.default-bg:before{content:"";position:absolute;background-image:url(/images/bg/calque.png);z-index:0;pointer-events:none}