#content {
  margin-left: 0;
  width: 100%;
  padding: 15px;
}

.Absolute-Center {
  margin: auto;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}

.Absolute-Center.is-Responsive {
  width: 50%;
  height: 50%;
  min-width: 200px;
  max-width: 400px;
  padding: 40px;
}