.mainArea {
  width: 80%;
  margin-left: auto;
  margin-right: auto;
  margin-top: 100px;
  max-width: 800px;
  color: #333333;
  font-size: 15px;
  font-weight: 400;
}
h1 {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
}

h2 {
  font-size: 16px;
  font-weight: 700;
}

p {
  margin-top: 0px;
  margin-bottom: 0px;
}

ul {
  list-style-position: outside;
  padding-left: 20px;
}

::marker {
  font-size: 50%;
}