* {
  box-sizing: border-box;
  font-family: "Courier New", Courier, monospace;
  margin: 0;
  padding: 0;
}

body {
  text-align: center;
  background-color: #0000006f;
}

#board {
  background-color: lightgray;
  border-bottom: 2px solid #000;
}

h1 {
  margin: 2rem;
}
h2 {
  animation: textAnimation 2s infinite;
  margin-bottom: 2rem;
  display: inline-block;
  color: rgb(156, 36, 36);
}
h3 {
  margin-bottom: 1rem;
}
h3 b {
  color: red;
}
@keyframes textAnimation {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}