#site-box {
          width : 680px
}

#a-box {
}

#b-box {
          float: left;
          width: 553px;
}

#c-box {
          float: right;
          width: 125px;
;          border: 1px solid #FF9900;
}

#d-box {
          clear: both;
          width: 678px;
}