header{
	margin:6px; padding:6px; background: cyan;
}

h1{text-align: center;}

section{
	margin:6px; padding:6px; background: magenta; height: 800px; 
}

h2{text-align: center;}

div { display:flex; }

div article { height: 250px; width: 100%; margin: 15px;}

div article p{ text-align: center;}

section article p {text-align: center; }

article { background: yellow; margin:6px; padding:6px; height: 400px;}

article p{ text-align: center:}

aside{ margin:6px; padding:6px; background: yellow; height: 200px; }

h3{ text-align: center}

footer{ margin:6px; padding:6px; background: cyan; height: 100px; }

h4{ text-align: center}

head {}