#plan {
    margin: 10px 80px 10px 80px;
    width: 640px;
}

#bg {
    background:url('../../images/plan/plan_201107/bg0.jpg');
    width:640px;
    height:480px;
    position:relative;
}
#btn {
    position:absolute;
    top:387px;
    left:263px;
    width:100px;
    height:30px;
}
#btn a {
    display:block;
    width:100%;
    height:100%;
}

#past {
    text-align: right;
    list-style:none inside;
    font-size:15px;
    line-height:20px;
}

#past a {
    color:#FF33CC;
}