/* ???? ??????? ???????????? ??????????? */
.master-ad-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 30px auto;
  text-align: center;
  clear: both;
  overflow: hidden;
  background-color: #fafafa;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  width: 100%;
  min-height: 250px;
  max-width: 320px; /* ?????? ???? */
}

/* ??????????? ????????? ???? */
@media (min-width: 768px) {
  .master-ad-container {
    min-height: 90px;
    max-width: 728px;
  }
}