.public-ad{position:relative;left:50%;transform:translateX(-50%);width:300px;height:280px;box-sizing:border-box;margin:36px 0;background:#132a20;outline:1px solid #39513e;color:#91a694;text-align:center;overflow:hidden}
.public-ad>small{display:block;height:30px;font:10px/30px system-ui;letter-spacing:.15em}
 [data-public-ad]{width:300px;height:250px;max-width:100%;margin:auto;display:grid;place-items:center;font:13px system-ui}
 [data-public-ad] pubtag{display:block;width:300px;height:250px}
@media(max-width:319px){.public-ad{display:none}}