:root {
  background-image: 
    -webkit-gradient(linear, 0 0, 100% 100%,
      color-stop(0.5, rgba(255,255,255, 0.25)),
      color-stop(0.5, rgba(255,255,255,0.5)),
      color-stop(1, rgba(255,255,255,0));
      background-color: indianred;
    )
}


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