.Red {
	color:red;
}
#Yellow {
	color:yellow;
}

body {
	background-color:lightblue;
}
header {
background-color:teal;
color:white;
text-align:center;
padding:5px;
}
nav {
background-color:#A7C7E7;
padding:7px;
}
section {
padding: 15px;
margin: 10px 10px 10px 10px;
width: 650px;
float: left;
}
footer {
background-color:teal;
color:white;
clear:both;
text-align:center;
padding:5px;
}
#allcontent{
width: 600px;
margin-left:auto;
margin-right:auto;
}
/* unvisited link */
a:link {
color: red;
}
/* visited link */
a:visited {
color: green;
}
/* mouse over link */
a:hover {
color: hotpink;
}
/* selected link, click and hold */
a:active {
color: blue;
}