header{
	border-top:2px groove yellow;
	width:100%;
	height:50;
	margin-left:auto;
	margin-right:auto;
	text-align:center;
	padding-top:5px;
	font-size:1.2em;
}
nav{
	border-top:2px groove yellow;
	width:100%;
	height:89px;
	border-bottom:2px groove yellow;
}
#content{
	width:100%;
	height:100%;
}
h2{
	text-align:center;
	color:blue;
	font-size:2em;
}
h3{
	font-size:1.5em;
	text-align:center;
}
article{
	padding:10px;
	text-align:center;
}
footer{
	width:100%;
	height:30px;
	color:white;
	text-align:center;
	border:4px solid orange;
	padding-top:10px;
}
.nav{}
ul{
	
	list-style: none;
	padding: 0px;
	margin: 0px;
}
li{
	margin-top:20px;
	float: left;
}
a {
	display: block;
	width: 245px;
	text-align: center;
	text-decoration: none;
	background-color: #555;
	color: #fff;
	padding: 10px;
	font-size:20px;
	font-family:palatino Linotype;
}
a:hover{
	background-color: #000;
	font-size: 16px;
	color:brown;
	text-decoration:underline;	
}
.zoom_in{
	overflow:hidden;
	transition-duration: 1s;
	transition-property: trnsform;
}
.zoom_in:hover{
	transform: scale(2);
}
div{
	color:white;
}
h3{
	color:red;
}
table{
	color:yellow;
}
p{
	color:red;
	font-size:2em;
	text-decoration:underline;
	
}