body {
  background-color: #15247f;
}

div.topright {
  position: absolute;
  top: 0px;
  right: 0px;
}

div.topleft {
  position: absolute;
  top: 0px;
  left: 0px;
}

div.bottom {
  position: absolute;
  bottom: 0px;
  width: 99%;
}

img {
  border: 0px;
}

img.imgcentered1 {
  display: block;
  margin-left: auto;
  margin-right: auto
}

img.imgcentered2 {
  display: block;
  float: right;
  margin-left: auto;
  margin-right: 200px
}

img.imgcentered3 {
  display: block;
  float: left;
  margin-left: 200px;
  margin-right: auto
}