#left{
float:left;
padding:0 20px 0 0;
margin:0 20px 0 0;
border-right:1px dotted #e5e5e5;

}
#right{
float:right;
padding:0 0 0 20px;
margin:0 0 0 20px;
border-left:1px dotted #e5e5e5;
}