.ads-manage {
    display: block;
    width: 100%;
    margin: 20px auto;
    line-height: 0;
    text-align: center;
    text-decoration: none;
}

.ads-manage picture,
.ads-manage img {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.ads-manage img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border: 0;
}

.ads-manage-banner,
.ads-manage-home_top,
.ads-manage-article_top,
.ads-manage-article_middle,
.ads-manage-article_bottom,
.ads-manage-footer_banner {
    max-width: 980px;
}

.ads-manage-square,
.ads-manage-sidebar,
.ads-manage-mobile_banner {
    max-width: 400px;
}