.pageTop {
    bottom: 310px;
}
.promo_banner {     
    position: fixed;
    bottom: 0px;
    right: 0px;
    display: flex;
    max-width: 300px;
    z-index: 10; 
}
.promo_banner .b_ft-close{
    position: absolute;
    top: 0px;
    right: 0px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: 0;
    cursor: pointer;
    z-index: 15;
}