.spotlight{overflow:hidden;--mouse-x: 50%;--mouse-y: 50%;--spotlight-color: #ffffff}.spotlight:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at var(--mouse-x) var(--mouse-y),var(--spotlight-color),transparent 80%);opacity:0;pointer-events:none}