#sticky-footer-ad {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  background: #fff;
  text-align: center;
  z-index: 9999;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
  padding: 5px 0;
}

#close-sticky-footer {
  position: absolute;
  right: 10px;
  top: 5px;
  font-size: 18px;
  cursor: pointer;
  color: #333;
}