Add support for IE11 in Odo Dialog

odo-dialog-no-auto-margin.css

.odo-dialog--no-auto-margin {
  font-size: 0;
}

.odo-dialog--no-auto-margin.odo-dialog--open {
  display: block;
}

/* https://css-tricks.com/centering-in-the-unknown/ */
.odo-dialog--no-auto-margin::before {
  content: '';
  display: inline-block;
  vertical-align: middle;
  height: 100%;
  width: 0;
}

.odo-dialog--no-auto-margin .odo-dialog__content {
  left: 50%;
  display: inline-block;
  vertical-align: middle;
  margin: 0;
  font-size: 1rem;
  transform: translate(-50%, 0);
  transition-property: opacity;
}