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              <div class="card standard"></div>
<div class="card highlight"></div>
<div class="card subdued"></div>
.card {
  --front: radial-gradient(circle, hotpink 20%, hotpink 40%, transparent 40%); 
  --middle: linear-gradient(135deg, lightblue 20%, cyan 20%, cyan 50%, transparent 40%); 
  --back: linear-gradient(45deg, cyan 40%, #d43668 40%, #d43668 60%); 

  background: var(--front), var(--middle), var(--back);
  background-blend-mode: soft-light;
.card.highlight {
  --front: radial-gradient(circle, yellow 20%, yellow 60%, transparent 60%);
.card.subdued {
  --middle: linear-gradient(transparent, transparent);
  background: var(--front), var(--back);

body {
  display: flex;
  height: 100vh;
.card {
  flex: 1;

@media screen and (orientation: portrait) {
  body {
    flex-direction: column;
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