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

body {
  font-family: Arial, sans-serif;
  padding: 20px;
  font-size: 15px;
}

.header-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  position: relative;
}

.header-bar h1 {
  font-size: 40px;
  text-align: center;
}

.hamburger-icon {
  width: 30px;
  cursor: pointer;
  padding: 10px 0;
}

.hamburger-icon div {
  width: 30px;
  height: 4px;
  background-color: #333;
  margin: 5px 0;
  transition: 0.4s;
}

.menu {
  display: none;
  flex-direction: column;
  background-color: #f4f4f4;
  padding: 10px;
  border: 1px solid #ccc;
  margin-bottom: 20px;
  width: fit-content;
}

.menu a {
  text-decoration: none;
  color: #000;
  margin: 5px 0;
}

.menu a:hover {
  color: #007BFF;
}

.menu.active {
  display: flex;
}

.main-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 30px 10px;
  text-align: center;
}

.main-content h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.main-content p {
  margin-bottom: 20px;
  line-height: 1.5;
}

.main-content ul {
  text-align: left;
  margin: 0 auto;
  max-width: 600px;
  padding-left: 20px;
}

.main-content li {
  margin-bottom: 15px;
}

.main-content b {
  display: block;
  margin-bottom: 5px;
}