body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f9f9f9;
  color: #222;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
}

a {
  color: #4caf50;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 0.5em;
}

p {
  margin-bottom: 1em;
}