body,html{
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #01102d;
}
.banner{
    width: 100%;
    position: relative;
}
.banner-img{
    width: 100%;
}
.footer{
    width: 100%;
    font-size: 12px;
    color: #ffffff;
    text-align: center;
    position: absolute;
    bottom: 23px;
    left: 0;;
}