body {
  background-color: #601e67;
}
.center-div {
  position: absolute;
  margin: auto;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 900px;
  height: 425px;
  background-color: #656769;
  border-radius: 30px;
  color: #ffd700;
}
.details {
  color: #046a38;
}