header, section, footer, aside, nav, article{display: block;}
body {text-align: center;}
	#envoltura{
		background-color: rgba(45, 179, 0,0.5);
		width: 85%; 
		margin: 15px auto; 
		text-align: left;
		padding: 50px 30px 20px 80px;}	
body {background-image: url("../img/fondo1.jpg");}
#menu{
	background-color: rgba(242, 242, 153, 0.5);
	width: 960px; 

	text-align: left;}
#menu li{display: inline-block;padding: 10px 25px 10px 25px;}