body {
  margin: 0;
  font-family: 'Courier New', Courier, monospace;
  background-color: #0d0d0d;
  color: #00ff99;
}

.terminal {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
  background-color: #111;
  border: 2px solid #00ff99;
  box-shadow: 0 0 20px #00ff99;
  border-radius: 8px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.intro {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.countdown {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.challenges h2 {
  margin-top: 1.5rem;
  font-size: 1.5rem;
}

.challenges ul {
  list-style: none;
  padding-left: 0;
}

.challenges li {
  margin: 0.5rem 0;
  padding-left: 1rem;
  position: relative;
}

.challenges li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: #00ff99;
}

.prompt {
  margin-top: 2rem;
  font-size: 1.2rem;
}

.blinker {
  animation: blink 1s step-start infinite;
}

.icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  margin-right: 8px;
}


@keyframes blink {
  50% {
    opacity: 0;
  }
}

<style>
.yt-chip{display:inline-flex;align-items:center;gap:.55rem;padding:.6rem .9rem;border-radius:999px;
  text-decoration:none;color:#e6e9ef;background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);
  box-shadow:0 8px 24px rgba(255,0,51,.16), inset 0 1px 0 rgba(255,255,255,.2);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;}
.yt-chip:hover{transform:translateY(-1px);box-shadow:0 12px 32px rgba(255,0,51,.26);}
.yt-chip .label{font-weight:700;letter-spacing:.2px;}
.yt-chip .sub{opacity:.9;font-weight:600;}
.yt-chip .icon{display:grid;place-items:center}
</style>