.auto-hide-message {
  position: relative;
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: .5rem;
  background: rgba(0,0,0,.6);
  color: #fff;
  opacity: 1;
  transition: opacity .36s ease, transform .36s ease;
}
.auto-hide-message .auto-hide-close {
  position: absolute;
  right: .45rem;
  top: .25rem;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: .15rem;
}