.card-spotlight{--mouse-x:50%;--mouse-y:50%;--spotlight-color:rgba(255,255,255,.05)}.card-spotlight:before{content:"";background:radial-gradient(circle at var(--mouse-x)var(--mouse-y),var(--spotlight-color),transparent 80%);opacity:0;pointer-events:none;transition:opacity .5s;position:absolute;top:0;bottom:0;left:0;right:0}.card-spotlight:hover:before,.card-spotlight:focus-within:before{opacity:.6}