body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background: #f4f4f4;
  color: #333;
  margin: 0;
  padding: 0;
}
.container {
  width: 85%;
  max-width: 960px;
  margin: 40px auto;
  background: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,0.1);
}
header, section, footer {
  margin-bottom: 30px;
}
h1 {
  margin-bottom: 0;
}
h2 {
  margin-top: 0;
  color: #007acc;
}
a {
  color: #007acc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
ul {
  padding-left: 20px;
}
footer {
  text-align: center;
  font-size: 0.9em;
  color: #777;
}