h1{
	color: blue;
	font-size : 70px;	
}

h2 { 
	text-align: center
	color : green !important ;
}

p {
	text-align: center;
	color : grey ;
	
}

#marco {
	color: blue;

}
img {
	
	margin:30 px;
	width: 200px;
	
}

header {
	width: 90%;
	text-align: center;

	
}

article{
	float: left;
  padding: 20px;
  width: 70%;
}

aside{
	float: right;
	width: 25%;

	height: 300px;
}
footer{
	text-align: center;
}