.blue{
color:blue;
}
.red{
font-color: red;
}
.left{
float:left;
}
.right{
float: right;
}
.clear{
clear: both;
}

#nav{
display: inline;

background-color:white;
}

#nav ul li{
display: inline;
}
#nav ul li a{
text-decoration:none;

}

#wrapper{
width: 1000px;
}

#header{
font-size: 18px;
font-color: gray;
width: 500px;
background-color: white
}

#below_header{
background-color: blue;
color: white;
width: 100%;
}

#left_content{
width:220px;
}

#right_content{
width: 700px;
}