body {
	margin:0;
	font-family: Arial, sans-serif;
	background-color: #0b0f1a;
	color: #ffffff;
}
h1 {
    background-color: black;
	text-align: center;
	padding: 20px;
	font-family: sherif;
	background-image: url("images/cover-r4x3w1200-57dfa1508d7a0-cerveau.jpg");
	background-size: coutain;
	background-repeat:  2px no-repeat;
}
header {
	text-align: center;
	padding: 20px;
	background-color: #050814;
	
	
}
header h1 {
	color: #3a7bd5;
}

bloc {
	display: flex;
	align-items: center;
	padding: px;
	font-size: 20px;
	
  
} 

bloc img {
	width: 250px;
	border-radius: 10px;
}







h2 { 
     text-align: center-right;  
     font-family: sherif;