body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: #333;
  color: #fff;
}

header {
  background-color: #444;
  color: #fff;
  padding: 20px;
}

h1 {
  margin: 0;
  font-size: 32px;
  letter-spacing: 2px;
  transition: color 0.3s ease;
  cursor: pointer;
  user-select: none;
  color: #fff;
}

h1:hover {
  color: #45a049;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

main {
  padding: 20px;
  flex: 1;
}

article {
  margin: 0 auto;
  max-width: 800px;
  background-color: #444;
  padding: 40px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-radius: 5px;
}

h2 {
  font-size: 28px;
  color: #fff;
}

.meta {
  color: #777;
  font-size: 14px;
  margin-bottom: 20px;
  color: #fff;
}

h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #fff;
}

.button-container {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.go-back {
  display: inline-block;
  padding: 10px 20px;
  background-color: #333;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  font-weight: bold;
  border-radius: 5px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.go-back:hover {
  background-color: #45a049;
}

article a {
  color: #45a049;
  text-decoration: none;
  transition: color 0.3s ease;
}

article a:hover {
  color: #fff;
  text-decoration: underline;
}

footer {
  background-color: #444;
  color: #fff;
  padding: 20px;
  text-align: center;
}