header {
  position: relative;
}

.blog-detail-aside ul li:hover {
  color: var(--primary-color);
}

.blog-detail-aside ul li[data-level="header3"] {
  text-indent: 1.2em;
}
.blog-detail-aside ul li[data-level="header4"] {
  text-indent: 2.4em;
}
.blog-detail-aside ul li[data-level="header5"] {
  text-indent: 3.6em;
}