.page-ad-preview {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  margin: 32px auto 0;
  padding-bottom: 32px;
}

.page-ad-preview-label {
  margin: 0 0 8px;
  color: #94a3b8;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 400;
  text-align: center;
}

.page-ad-preview-slot {
  box-sizing: border-box;
  width: 100%;
  min-height: 250px;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.1);
}

 
.guide-shell > .page-ad-preview {
  padding-bottom: 128px;
}