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@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100vw;
  min-height: 100vh;
  font-family: "Exo", Arial, sans-serif;
  background-color: #222;
  color: #fff;
  display: grid;
  grid-template-columns: repeat(4, 40vh);
  grid-template-rows: 40vh;
  padding: 10px;
  gap: 10px;
  font-size: 1.5rem;
  place-content: center;
}

div {
  border-radius: 50%;
  background-image: conic-gradient(magenta 40%, aqua 0 70%, red 0);
}

div:nth-of-type(2) {
  background-image: conic-gradient(
    red 20%,
    yellow 0 40%,
    lime 0 60%,
    aqua 0 80%,
    blue 0
  );
}

div:nth-of-type(3) {
  background-image: conic-gradient(
    red 10%,
    yellow 0 20%,
    lime 0 30%,
    aqua 0 40%,
    blue 0 50%,
    magenta 0 60%,
    red 0 70%,
    #09f 0 80%,
    #40f 0 90%,
    #aee 0
  );
}

div:nth-of-type(4) {
  background-image: conic-gradient(
    #09f 5%,
    #f36 0 10%,
    #09f 0 15%,
    #f36 0 20%,
    #09f 0 25%,
    #f36 0 30%,
    #09f 0 35%,
    #f36 0 40%,
    #09f 0 45%,
    #f36 0 50%,
    #09f 0 55%,
    #f36 0 60%,
    #09f 0 65%,
    #f36 0 70%,
    #09f 0 75%,
    #f36 0 80%,
    #09f 0 85%,
    #f36 0 90%,
    #09f 0 95%,
    #f36 0
  );
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.