p{
  background-color: #0CC;
}
div{
  width: 100px;
  height: 100px;
  display: inline-block;
  border: 1px solid black;
  box-sizing: border-box;
}
.conteneur{
  width: 100%;
  height: 200px;
  display:block;
  background-color: #DD6;/*Jaune*/
}

.absolu{position: absolute;}
.relative{position: relative}

.haut{top: 70px;}
.bas{bottom: 20px;}
.droite{right: 30px;}

.bleu{background-color: #0AF;}
.vert{background-color: #0FA;}