.irjk-card{
  border:1px solid rgba(0,0,0,.08);
  border-radius:14px;
  padding:16px;
  background:rgba(0,0,0,.03);
}
.wp-block-group.has-background{
  background-image: radial-gradient(600px 400px at 10% -10%, rgba(106,168,255,.18), transparent 60%),
                    radial-gradient(500px 300px at 100% 30%, rgba(81,224,193,.18), transparent 50%);
}