.card-hover-bg{position:relative;overflow:hidden}.card-hover-bg:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:inherit;background-position:inherit;background-repeat:inherit;background-size:inherit;filter:grayscale(1);z-index:0;pointer-events:none;opacity:1}.card-hover-bg>*{position:relative;z-index:1}.card-hover-bg:hover:before{filter:grayscale(.2)}