/* General Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Body Style */
body {
  font-family: 'Open Sans', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f4f4f4;
  padding: 20px;
}

/* Header */
header {
  background: #333;
  color: #fff;
  padding: 10px 0;
}

header nav ul {
  list-style: none;
  text-align: center;
}

header nav ul li {
  display: inline;
  margin-right: 15px;
}

header nav ul li a {
  color: white;
  text-decoration: none;
  font-size: 18px;
}

header nav ul li a:hover {
  text-decoration: underline;
}

/* Section */
section {
  margin: 20px auto;
  text-align: center;
}

section h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

section p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

/* Button */
.btn {
  background-color: #333;
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
}

.btn:hover {
  background-color: #555;
}

/* Footer */
footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9rem;
}