.card:after{border-radius:inherit;content:"";height:100%;left:0;position:absolute;top:-2px;transition:opacity .5s;width:100%;background:radial-gradient(600px circle at var(--mouse-x) var(--mouse-y),rgba(246,205,147,1),transparent 50%);z-index:1}.card-content{z-index:2;position:relative;width:calc(100% - 4px);height:calc(100% - 4px);margin:auto}