#boite {
float: left;
width: 100%;
height: 100%;
position: absolute;
  background-color: #FF0000
}
/* Pigeons 1 */
.boite1 {
float: left;
position: absolue;
width: auto;
height: auto;
margin-top: 30px;
margin-left: 10px;
}
/* Pigeons 2 */
.boite2 {
float: left;
position: absolute;
width: 226px;
height: 250px;
margin-top: 380px;
margin-left: 4px;
}
/* Pigeons 3 */
.boite3 {
float: left;
position: absolute;
width: 273px;
height: 40px;
margin-top: 45px;
margin-left: 550px;
}
/* Pigeons 4 */
.boite4 {
float: left;
position: absolute;
width: 273px;
height: 400px;
margin-top: 5px;
margin-left: 200px;
}
/* Pigeons 5*/
.boite5 {
float: left;
position: absolute;
width: 280px;
height: 237px;
margin-top: 450px;
margin-left: 420px;
}