#title-block-div {
  width: 100%;
  margin: 0 0 1.1rem;
  padding: 1.2rem 1.3rem 1.05rem;
  border: 1px solid hsl(0, 0%, 88%);
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  background: hsl(0, 0%, 100%);
}

#title-block-div .title {
  margin: 0;
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.2;
  font-weight: 700;
}

#title-block-div .subtitle {
  margin: 0.52rem 0 0;
  font-size: clamp(1.03rem, 2vw, 1.22rem);
  line-height: 1.5;
  opacity: 0.84;
}

#title-block-div .author,
#title-block-div .date,
#title-block-div .last_updated {
  margin: 0.45rem 0 0;
  font-size: 0.95rem;
  opacity: 0.76;
}

#title-block-div .date,
#title-block-div .last_updated {
  display: inline-block;
  margin-right: 1.8rem;
  margin-top: 0.45rem;
}

#title-block-div .author + .author {
  margin-top: 0.2rem;
}

#title-block-div .abstract {
  margin-top: 0.95rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid hsl(0, 0%, 90%);
  border-radius: 6px;
  background: hsl(0, 0%, 99%);
}

#title-block-div .abstract-title {
  margin-bottom: 0.3rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

[role="doc-toc"] {
  width: 100%;
  margin: 0 0 1.25rem;
  padding: 0.9rem 1.15rem;
  border: 1px solid hsl(0, 0%, 89%);
  border-radius: 6px;
  background: hsl(0, 0%, 99%);
}

[role="doc-toc"] > h2 {
  margin: 0 0 0.55rem;
  font-size: 0.98rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.75;
}

[role="doc-toc"] ul {
  margin: 0;
  padding-left: 1.25rem;
}

[role="doc-toc"] li {
  margin: 0.26rem 0;
  line-height: 1.5;
}

[role="doc-toc"] a {
  color: #0052CC;
  text-decoration: none;
}

[role="doc-toc"] a:hover {
  text-decoration: underline;
}

[role="doc-toc"] a:visited {
  color: #6F42C1;
}

[data-theme="dark"] #title-block-div {
  background: hsl(200, 2%, 24%);
  border-color: hsl(0, 0%, 34%);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] [role="doc-toc"] {
  background: hsl(200, 2%, 25%);
  border-color: hsl(0, 0%, 34%);
}

[data-theme="dark"] #title-block-div .abstract {
  background: hsl(200, 2%, 22%);
  border-color: hsl(0, 0%, 32%);
}

@media screen and (max-width: 826px) {
  #title-block-div {
    padding: 1rem;
    border-radius: 6px;
  }

  [role="doc-toc"] {
    padding: 0.8rem 0.95rem;
    border-radius: 6px;
  }
}