.page
{
vertical-align:middle;
}

.celluleBlanche
{
background-color:#FFFFFF;
height:50px;
width:50px;
}

.celluleNoire
{
background-color:#000000;
height:50px;
width:50px;
}

.celluleRouge
{
background-color:#ED1480;
height:50px;
width:50px;
}