body {
  background-color: rgb(28, 28, 28);
  color: rgb(255, 255, 255);
  font-family: Arial;
  margin: 10px;
}

h1 {
  text-align: center;
}

nav {
  text-align: center;
}

footer {
  text-align: center;
}

iframe {
  display: block;
  margin: 20px auto;
}

a {
  color: #00bfff; /* bright blue */
}

a:visited {
  color: #66ccff; /* lighter blue for visited links */
}

a:hover {
  color: #ffffff; /* white when hovering */
}

a:active {
  color: #ffcc00; /* yellow when clicking */
}