body, h1, h2, p, ul {
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background-color: #000000;
  color: #33ff00;
  padding: 20px;
  text-align: center;
}

header h1 {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 20px;
}

nav ul {
  list-style: none;
}

nav ul li {
  display: inline-block;
  margin-right: 20px;
}

nav ul li a {
  color: #ffffff;
  text-decoration: none;
  font-size: 18px;
  transition: color 0.3s ease;
  position: relative;
}

nav ul li a::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: #a8ff06;
  bottom: -4px;
  left: 0;
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left center;
}

nav ul li a:hover,
nav ul li a:focus {
  color: #ff0000;
}

nav ul li a:hover::before,
nav ul li a:focus::before {
  transform: scaleX(1);
}

section {
  padding: 40px 0;
}

section h2 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}

section p {
  font-size: 16px;
  line-height: 1.6;
}

section ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
}

section ul li {
  margin-bottom: 10px;
}

section a {
  display: block;
  margin-bottom: 10px;
  color: #ff0000;
  text-decoration: none;
  transition: color 0.3s ease;
}

section a:hover {
  color: #000000d7;
}

footer {
  background-color: #000000;
  color: #fff;
  padding: 20px;
  text-align: center;
}

footer p {
  font-size: 20px;
}