bullet-point-relationship-lines.css

/* get more snippets at https://github.com/kmaasrud/awesome-obsidian */
/* author: https://github.com/deathau */
/* source: https://forum.obsidian.md/t/meta-post-common-css-hacks/1978/2 */

.cm-hmd-list-indent .cm-tab,
ul ul {
  position: relative;
}
.cm-hmd-list-indent .cm-tab::before,
ul ul::before {
  content: "";
  border-left: 1px solid rgba(0, 122, 255, 0.25);
  position: absolute;
}
.cm-hmd-list-indent .cm-tab::before {
  left: 0;
  top: -5px;
  bottom: -4px;
}
ul ul::before {
  left: -11px;
  top: 0;
  bottom: 0;
}