#welcome-ad {
  padding: 0;
  border: 0;
  margin: auto;
  width: min(90vw, 49.5svh, 530px);
  max-width: 90vw;
  max-height: 94svh;
  background: #f7f5ee;
  box-shadow: 0 16px 70px #0005;
  overflow: visible;
}
#welcome-ad::backdrop { background: rgb(25 31 24 / 65%); backdrop-filter: blur(3px); }
#welcome-ad a { display: block; }
#welcome-ad img { display: block; width: 100%; height: auto; }
#welcome-ad .welcome-ad-close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid #657253;
  border-radius: 50%;
  background: #f7f5ee;
  color: #262d24;
  font: 28px/1 Arial, sans-serif;
  cursor: pointer;
}
#welcome-ad :focus-visible { outline: 3px solid #657253; outline-offset: 3px; }
html.welcome-ad-open { overflow: hidden; }