img {max-width: 80%;}
	a:link { text-decoration: none; }
	.bouton img {max-width:20%;}
  .opimage {opacity:0.2;}
body
{
    background-image:url('kilnv.jpg');
    background-repeat: no-repeat;
    background-size: cover;
}

@media screen and (min-width:800px)
{
	img { max-width: 20%;}
	.bouton img {max-width:10%;}

body
{
    background-image:url('kilnht.png');
    background-repeat: no-repeat;
    background-size: cover;
}
	
}