test-repo/tests/format/markdown/code/mdn-background-3.md

.box {
  margin: 10px 0;
  color: #fff;
  background: linear-gradient(90deg,
      rgb(131 58 180 / 100%)  0%,
  rgb(253 29 29 / 60%) 60%, rgb(252 176 69 / 100%) 100%), radial-gradient(circle, rgb(255 255 255 / 100%) 0%, rgb(0 0 0 / 100%) 28%);
  border: 20px dashed black;
  padding: 20px;
width: 400px;
        background-origin: padding-box, content-box;
  background-repeat: no-repeat;
}