/*configuration de l'affichage l'ecran d'erreur*/
.topLeft{
    background-image : url('../images/alertMsg/topLeft.gif');
    background-repeat : no-repeat;
    width:7px;
    height:7px;
    background-position : bottom right;
} 
.topRight{
    background-image : url('../images/alertMsg/topRight.gif');
    background-repeat : no-repeat;
    width:7px;
    height:7px;
    background-position : bottom left;
}
.bottomRight{
    background-image : url('../images/alertMsg/bottomRight.gif');
    background-repeat : no-repeat;
    width:7px;
    height:7px;
    background-position : top left;
} 
.bottomLeft{
    background-image : url('../images/alertMsg/bottomLeft.gif');
    background-repeat : no-repeat;
    width:7px;
    height:7px;
    background-position : top;
} 
.centerLeft{
    background-image : url('../images/alertMsg/centerLeft.gif');
    background-repeat : repeat-y;
    background-position : left;
} 
.centerRight{
    background-image : url('../images/alertMsg/centerRight.gif');
    background-repeat : repeat-y;
    background-position : right;
} 
.bottomCenter{
    background-image : url('../images/alertMsg/bottomCenter.gif');
    background-repeat : repeat-x;
    background-position : top;
} 
.topCenter{
    background-image : url('../images/alertMsg/topCenter.gif');
    background-repeat : repeat-x;
    background-position : bottom;
}