[mock-ad] {
  & h2 {
    font-weight: bold;
    font-size: 4rem;
    color: red;
    border: 2px solid red;
    padding: 2rem;
    animation: pulse-annoyingly 1s linear infinite;
  }
}

@keyframes pulse-annoyingly {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.9);
  }
}