body {
  background: #08509c;
}
section {
  /* display: block; */
  width: 1200px;
  height: 320px;
  margin: 33%;
  background: #253ce2;
  border-color: green;
}

p {
  /*height: 25%;      /* == 160px * .25 = 40px */
  /*margin: 10%;   /* == 400px * .05 = 20px
  padding: 15%;  /* == 400px * .05 = 20px */ 
  /* font-size: 200%;  */
  color: cyan;
  background: #1a2a9e;
/* } */

display: flex;
align-items: center;
justify-content: space-around;
}