#footer{
position:absolute;
bottom:0;
left:50%;
margin-left:-75px;
}

a.bouton {
 width:500;
 font-size:40px;
 color:white;
 font-family:arial;
 text-decoration:none;
}

a.bouton {
}

a:hover.bouton {
 color:grey;
}

div.title{
	height:20%;
	width:500;
	font-size:2.5em;
	color:white;
	font-family:arial;
}

img.img-welcome:hover{
	opacity:0.8;
}