#main {
 width:900px;
 margin-left:auto;
 margin-right:auto;
 text-align:left;
}

#top {
 width:700px;
 background-color:rgb(255, 152, 0);
}

#top1 {
 width:700px;
 background-color:rgb(255, 152, 0);
}

#top2 {
 width:700px;
 background-color:#33CC33;
}

#top3 {
 width:700px;
 background-color:#4169e1;
}

#top4 {
 width:700px;
 background-color:#7fffd4;
}


#wrapper {
 width:900px;
 float:left;
}

#left {
 width:250px;
 float:left;
}

#center {
 width:450px;
 float:left;
}

#left1 {
 width:100px;
 float:left;
}

#center1 {
 width:700px;
 float:left;
}

#left4 {
 width:200px;
 float:left;
}

#center4 {
 width:500px;
 float:left;
}

#center2 {
 width:650px;
 float:left;
}

#right {
 width:100px;
 float:right;
}

#bottom {
 width:100%;
 clear:left;
 font-size: xx-small;
 text-align:right;
}