*{
	padding:0;
	border:0;
	margin:0;
	}
body{;
	background-repeat:no-repeat;
	background-size:cover;}
#contenedor{
	height:700px;
	width: 780px;
	margin-left:auto;
	margin-right:auto;
	}
header{
	background-image:url(Wow_Banner_1.png);
	background-repeat:no-repeat;
	background-size: cover;
	width:780px;
	height:180px;
	border-top-left-radius:20px;
	border-top-right-radius:20px;
}