.admanager-content{
  /*margin: 1em 0;*/
  margin: 0 auto;
  text-align: center;
  display: block;
}
.in_read_dfp:before {
  content: "Advertisment";
  position: relative;
  width: 100%;
  display: block;
  color: #bfbcbc;
  padding: .3rem;
  font-size: .7rem;
}
.in_read_dfp, .in_read_dfp:before {
  border-bottom: 1px solid #bfbcbc;
}
.in_read_dfp .admanager-content {
  display: block;
}
.in_read_dfp .admanager-content iframe {
  margin: 0 auto;
  text-align: center;
  display: flex;
  justify-content: center;
  align-content: center;
  width: inherit;
  max-width: inherit;
}