Aligner 3 DIV

	
<div id="pres">
<div id="pres-1"><p>gauche</p></div>
<div id="pres-2"><p>center</p></div>
<div id="pres-3"><p>droite</p></div> 	
</div>	

#pres {
  background-color: rgb(255, 255, 255);
  width:100%;
  height: 400px;
  text-align: center;
  display:table;
  margin-top: 165px;
  text-align: center;
}
#pres p {
  font-size: 50px;
  color: black;
  line-height:70px;
  text-align: center;
}
#pres-1 {
  width:400px;
  display: inline-block;
  position: relative;
  height: 300px;
  background-color: #fafafa;
  padding = 10px;
}
#pres-2 {
  width:400px;
  display: inline-block;
  height: 300px;
  position: relative;
  background-color: #fafafa;
  padding = 10px;
}
#pres-3 {
  width:400px;
  display: inline-block;
  height: 300px;
  position: relative;
  background-color: #fafafa;
  padding = 10px;
}