.custom-popup {
  position: fixed;
  padding: 15px;
  z-index: 9999;
  top: 45%;
  left: 30%;
  background-color: #ec1c24;
  color: #fff;
  font-weight: bold;
}
.custom-popup a {
  color: #fff;
}
.custom-popup a:hover {
  color: #fff;
}
@media only screen and (max-width: 530px) {
  .custom-popup {
    left: 0;
    margin: 0 15px;
  }
}