.foot_txt_box{
    background: #f7f7f7;
    border-top: 1px solid #e5e5e5;
    padding: 12px 0;
    font-size: 12px;
    margin-top:20px;
}
.foot_txt {
    width: 1200px;
    margin: 0 auto;
    line-height: 24px;
    clear: both;
    color: #999;
    position: relative;
    text-align: center;
}
.foot_txt a {
    color: #999;
}
.bottom_nav {
    background: #333333;
    height: 40px;
    width: 100%;
}
.bnav {
    line-height: 40px;
    color: #999999;
    text-align: center;
    width: 1200px;
    margin: 0 auto;
}
.bnav a {
    color: #999999;
    font-size: 14px;
}