.box_centrale{
	      
	      width: auto;
	      height: 100px;
	      background-color: orange;
	      color:white;
	      text-align: center;
	      font-size: 80px;
      }
      
       .box_centrale_mobil{
	      
	      width: auto;
	      height: 100px;
	      background-color: orange;
	      color:white;
	      text-align: center;
	      font-size: 56px;
      }
      
       .box_centrale_tablet{
	      width: auto;
	      height: 50px;
	      background-color: orange;
	      background-size: auto;
	      color:white;
	      text-align: center;
	      font-size: 50px;
      }