body div.formulaire
{
    border:1px solid black;
    width:300px;
    margin:auto;
    padding:20px;
    background-color:#87CEEB;
}

div.INFOS
{
    margin: 10px 0 0 10px;
}

div.bouton
{
    margin: 20px 0px 0px 0px;
}

html,body
{
    border:10px;
}