body{
    background-image: url(fond\ décran.jpg);
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
}

h1{
    color: #008F11;
    text-align: center;
}

h3{
    text-align: center;
    color: #008F11;
}

#bouton1{
    position: fixed;
    bottom: 67%;
    left: 19%;
    color: white;
}

#bouton2{
    position: fixed;
    bottom: 13%;
    right: 18%;
    color: white;
}

#lien{
    opacity: 0; 
}

div.lastlink{
    margin-top: -7%;
    margin-left: 13%;
}

#conteneur{
	display: flex;
	justify-content: space-around;
}