.back{
float:left;
}

.clearBoth, .centerBoxWrapper{
clear:both;
}

/* ログインページ************************************************** */
div.centerColumn h1{
width:585px;
}

div.centerColumn fieldset{
width:650px;
margin:0 5px;
padding:5px;
background-color:#e3ccff;
}

div.centerColumn fieldset.return_customer{
background-color:#bb7fff;
}

div.centerColumn fieldset.new_customer{
width:570px;
}