body {
border: solid 5px fuchsia;


}

.container {
border: solid 5px purple;
position:absolute;
top: 100px;

}

.red {
border: solid 5px red;
width: 500px;
height: 500px;


position: relative;
}

.green {

  background-color: green;

  width: 200px;
  height: 500px;
position: relative;

}

/*  position: absolute;
  top:400px;
  left: 400px;*/


/*.blue {
  width: 200px;
  height: 200px;
  background-color: blue;
  position: absolute;
  top: 200px;
  left: 200px;
}



  .yellow {
    width: 100px;
    height: 100px;
    background-color: yellow;
    position: relative;
  }*/