body {
  background-color: #00ff00;
  background-image: url('https://via.placeholder.com/100x100?text=90sTile');
  background-repeat: repeat;
  color: #ff00ff;
  font-family: 'Comic Sans MS', 'Courier New', monospace;
  padding: 20px;
  overflow-x: hidden;
}

.retro-frame {
  background-color: #00FFFF;
  border: 4px solid #ff0000;
  padding: 20px;
  margin: 20px auto;
  max-width: 800px;
  box-shadow: 0 0 10px #000;
  text-align: center; /* ✅ Add this line */
}

h1 {
  font-size: 36px;
  text-shadow: 2px 2px #ffff00;
}

.blink {
  animation: blink 0.8s step-end infinite;
}

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

.marquee {
  white-space: nowrap;
  overflow: hidden;
  display: inline-block;
  width: 100%;
  animation: marquee 15s linear infinite;
  font-size: 14px;
}

@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

.counter {
  font-size: 24px;
  background-color: #000;
  color: #0f0;
  padding: 5px;
  border: 2px solid #fff;
  display: inline-block;
}

.guestbook {
  background-color: #ffff00;
  padding: 10px;
  border: 2px dashed #ff00ff;
  color: #000000;
  text-align: center;
}

.guestbook h2 {
  color: #800080;
  font-size: 24px;
  margin-bottom: 10px;
}

.guestbook input,
.guestbook textarea {
  width: 100%;
  max-width: 300px;
  font-size: 14px;
  margin-bottom: 10px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

.guestbook button {
  background-color: #ccc;
  color: #000;
  border: 1px solid #666;
  padding: 6px 16px;
  font-family: sans-serif;
  font-size: 16px;
  font-weight: normal;
  cursor: pointer;
  margin: 10px auto;
  display: block;
}

.guestbook button:hover {
  background-color: #999;
  color: #fff;
}

.guestbook label {
  font-family: 'Courier New', monospace;
  color: #ff0000;
  font-size: 16px;
}

img {
  max-width: 100px;
  height: auto;
}

a {
  color: #0000ff;
  text-decoration: underline;
}

a:hover {
  color: #ff0000;
}

.no-animations * {
  animation: none !important;
}

p, li, ul {
  font-size: 16px;
}

@media (max-width: 600px) {
  h1 {
    font-size: 24px;
  }

  .marquee {
    font-size: 14px;
    animation: none;
    overflow: auto;
  }

  img {
    max-width: 80px;
  }

  body {
    font-size: 18px;
  }

  p, li, ul {
    font-size: 18px;
  }
}