@media (min-width: 0px) {
  div[data-sizemapping=mobile] {
    display: block;
  }
  div[data-sizemapping=tablet],
  div[data-sizemapping=desktop] {
    display: none;
  }
}

@media (min-width: 767px) {
  div[data-sizemapping=tablet] {
    display: block;
  }
  div[data-sizemapping=desktop],
  div[data-sizemapping=mobile] {
    display: none;
  }
}

@media (min-width: 1069px) {
  div[data-sizemapping=desktop] {
    display: block;
  }
  div[data-sizemapping=tablet],
  div[data-sizemapping=mobile] {
    background-color: red;
    display: none;
  }
}

.ad-holder .ad-description {
  display: none;
}
.ad-holder.ad-active .ad-description {
  display: block;
}

.ad-holder {
  padding: 5px;
  text-align: center;
  clear: both;
  margin: 0 auto;
}

.ad-holder > span {
  font-size: 10px;
  font-weight: normal;
}

.ad-holder div[id*="ad-"] {
  margin: 0 auto;
}