@import url('https://fonts.googleapis.com/css?family=Open+Sans:400,700');
@import url('https://fonts.googleapis.com/css?family=Merriweather:400,700');

.{box-sizing:border-box}

body {
  background-color: white;
  font-family: "Open Sans", sans-serif;
  font-size: 18px;
  margin: 2px;
  color: #444;
  text-align:center;
}


#wrapper{
  position: relative;
  width:100%;
  max-width:310px;
  margin: 0 auto;
  background-color: pink;
  height:240px;    
}
#bluebox{
  Position: absolute;
  right: 0px;
  top:00px;
  background-color: deepskyblue;
  width:111px;
  height:60px;
}
#redbox{
  Position: absolute;
  left:0px;
  top:0px;
  background-color:red;
  width:61px;
  height:60px;
}
#greenbox{
  Position: absolute;
  left:0px;
  bottom:00px;
  background-color:green;
  width:111px;
  height:60px;
}
#yellowbox{
  Position: absolute;
  right:0px;
  bottom:0px;
  background-color:yellow;
  width:61px;
  height:60px;
}