body {
  display: grid;
  place-content: center;
  height: 100vh;
  background: hsla(250, 100%, 38%, 1);
  background: radial-gradient(circle, hsla(250, 100%, 38%, 1) 0%, hsla(253, 100%, 49%, 1) 100%);
  background: -moz-radial-gradient(circle, hsla(250, 100%, 38%, 1) 0%, hsla(253, 100%, 49%, 1) 100%);
  background: -webkit-radial-gradient(circle, hsla(250, 100%, 38%, 1) 0%, hsla(253, 100%, 49%, 1) 100%);
  filter: progid: DXImageTransform.Microsoft.gradient(startColorstr="#2000C2", endColorstr="#3600FA", GradientType=1);
}

section {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}