.side_banner .right, .side_banner .left {
    position: fixed;
    top: 20px;
}
.side_banner .left {
    right: 50%;
    margin-right: 620px;
    z-index: 1050;
}
.side_banner .right {
    left: 50%;
    margin-left: 620px;
    z-index: 1050;
}
.popup_banner{
    display: none;
    z-index: 10000;
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 150%;
    background-color: rgba(0, 0, 0, 0.5);
}
.popup_banner .center_popup{
    z-index: 2000;
    display: block;
    width: auto;
    height: auto;
    max-width: 90%;
    opacity: 1;
    border: 0px solid #d9d9d9;
    -webkit-border-radius: 5px;
    border-radius: 5px;
    background-color: transparent;
    padding: 0px;
    z-index: 2000;
    position: absolute;
    top: 25%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}
.popup_banner .center_popup img{
    max-width: 100%;
}
.popup_banner .center_popup #popup_close_btn {
    display: block;
    position: absolute;
    cursor: pointer;
    top: -9px;
    right: -9px;
}