body{  background: url("../images/adeux_mobile.png"),black ;background-repeat: no-repeat;background-position: center ;
}
	*{
	margin: 0px;
	padding:0px;
	border:0px;
}


.centre { display: flex;  align-items: center;  justify-content: center;}
.div_img_couple{padding: 5px;height:8vh}
.img_couple{height:40px}
.slogan{text-align: center;font-size: 2rem;margin-top: 2vh;}
.authentification{position:relative;display: block;height:30vh;margin-top: 25vh;font-size: 22px;text-align: center;}

 #centered{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);}
.footer{position: fixed;bottom: 0vh;;width: 100%;height:5vh;;font-size: 1rem;}

@media(min-width: 801px)

{
body{  background: url("../images/background_bureau_emily.png"),black ;background-repeat: no-repeat;background-position: center ;}

.authentification{position:relative;display: block;height:30vh;margin-top: 25vh;font-size: 22px;text-align: center;}

.slogan{text-align: center;font-size: 2rem;margin-top: 2vh;}

}