.background-image-animation__container{position:relative;z-index:1;--opacity:0;--background-position:center;--background-repeat:no-repeat;--background-size:cover}.background-image-animation__container:after{content:"";position:absolute;left:0;top:0;width:100%;height:100%;z-index:-1;opacity:0;transition:opacity .3s linear;background-image:var(--background-image);background-position:var(--background-position);background-repeat:var(--background-repeat);background-size:var(--background-size);opacity:var(--opacity)}