body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #f4f4f9;
  color: #5d5d5d;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.page {
  margin: 200px auto;
  width: 540px;
  text-align: center;
}

.page ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-left: 0;
}

.page li {
  text-align: left;
}

h1, h2, h3, h4, h5, h6 {
  color: #282828;
  font-family: inherit;
  margin-top: 1.5em;
}

a {
  color: #515151;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}