body, html {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}
.bottom-layer {
    position: fixed;
    bottom:0;
    left: 0;
    height: 39px;
    background: #fff;
    text-align: center;
}
.bottom_box {
    position: fixed;
    width: 100%;
    bottom: 0;
    left: 0;
    height: 39px;
}
.bottom_box .lh {
    display: inline-block;
    margin: 0px 14px 0px 0px;
    padding: 0;
}

.bottom_box .lh .text-color {
    color: #bbb;
    font-size: 12px;
    text-decoration: none;
}