article {
  width: 70%;
  margin: 0 auto;
}

@media screen and (max-width: 991px) {
  article {
    width: 90%;
    margin-top: 150px;
  }
}
article h2 {
  text-align: center;
  border-bottom: solid 1px #ccc;
  padding-bottom: 10px;
  margin-bottom: 30px;
}

article h3 {
  text-align: left;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

article ul > li {
  list-style: disc;
}

article .ta-left{
  text-align: right;
}