/* W2HEARTFIX_V1 — white heart visible on white card: crisp dark outline of the heart shape */
.heart-thumb[src*="heart_white"]{
  filter:
    drop-shadow(.7px 0 0 rgba(0,0,0,.6)) drop-shadow(-.7px 0 0 rgba(0,0,0,.6))
    drop-shadow(0 .7px 0 rgba(0,0,0,.6)) drop-shadow(0 -.7px 0 rgba(0,0,0,.6));
}