#R-body footer.footline {
  padding-top: 5rem;
  text-align: center;
}
.article-toc {
  border: 1px solid #b7bece;
  background-color: #eef4f8;
  padding: 1rem;
  margin: 2rem auto 3rem auto;
  width: 50%;
  min-width: 30rem;
  max-width: 100%;
  border-radius: 10px;
  line-height: 1.5;
}