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

body {
  font-family: -apple-system, BlinkMacSystemFont;
  background-color: #282c34;
  color: #ffffff;
  line-height: 1.6;
  padding: 40px 20px;
  max-width: 800px;
  margin: 0 auto;
}

h1 {
  font-size: 24px;
  font-weight: normal;
  margin-bottom: 30px;
  text-align: center;
}

h2 {
  font-size: 16px;
  font-weight: normal;
  margin: 30px 0 15px 0;
}

p {
  margin-bottom: 15px;
}

ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

li {
  margin-bottom: 8px;
}

ul ul {
  margin-top: 8px;
  margin-bottom: 8px;
  margin-left: 20px;
}

a {
  color: #4a9eff;
}

.section {
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  body {
    padding: 20px 15px;
    font-size: 14px;
  }

  h1 {
    font-size: 20px;
  }

  ul {
    margin-left: 15px;
  }
}