body {
}
div {
  float: right;
  left: 45%;
  margin: -270px 0 0 -320px;
  position: absolute;
  top: 50%;
  border: thin silver solid;
  padding: 0.5em;
}
div p {
  text-align: center;
}
img {
  border: none;
}
caption {
  text-align: center;
}