#ageGate {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: #f2f2f2;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: sans-serif;
  text-align: center;
  padding: 2rem;
  box-sizing: border-box;
}
#ageGate.hidden { display: none; }