.advertising{
        display: none;
        width: 100%;
        height: auto;
        position: fixed;
        bottom:-8px;
        z-index: 999;
    }
    .advertising img{
        width: 100%;
        height: 100%;
    }
    .close{
        display: none;
        width: 35px;
        height: 35px;
        border-radius: 50%;
        position: fixed;
        right:130px;
        bottom: 150px;
        cursor: pointer;
        z-index: 999;
}