body{
    width: 2200px;
	height: 1000px;
	background-color: grey;}

footer{
	width: 2200px;
	text-align: center;
	}

#titre{
    text-align: center;
	font-family: cursive; 
    font-size: 45px;
    color: black;}

#presentation{
	text-align: center;
    font-family: cursive;
    font-size: 20px;
    color: black;}

p{
	text-align: center;
	font-family: cursive;
	font-size: 20px;
	color:black;}



#quiz1{
	background-color:black;
	border-radius: 10px;
	Width: 600px;
	height: 600px;
	margin-top: 0px;
	margin-left: 100px;
	}
	
#quiz2{
	background-color: black;
	border-radius: 10px;
	Width: 600px;
	height: 600px;
	margin-top:-610px;
	margin-left: 800px;
	}   

#quiz3{
	background-color: black;
	border-radius: 10px;
	Width: 600px;
	height: 600px;
	margin-top:-610px;
	margin-left: 1500px;
}


#btn{
	text-align: center;
	margin-top: 10px;
}
  

#CT{
    margin-top: 30px;
    margin-left: 25px;  
}

#IRM{
	margin-top:30px;
	margin-left:20px;
}

#RX{
	margin-top:30px;
	margin-left:25px;
}

#footer{
	align-content: center;
	margin-top:350px;}