bullet_threading.css

:root {
  --ls-block-bullet-active-color: var(--ls-block-bullet-threading-active-color-overwrite,
      var(--ls-link-text-color));
  --ls-block-bullet-threading-width: var(--ls-block-bullet-threading-width-overwrite,
      1px);
}

.block-control {
  z-index: 1;
}

.block-children {
  /* this is color and width of vertical lines (not threaded)*/
  border-left-color: var(--ls-guideline-color); 
  border-left-width: var(--ls-block-bullet-threading-width) !important;
}

.block-children-container {
  position: relative;
}

.block-children-left-border {
  /* this is the vertical line (not threded) effects fadeing in and out on hover */
  z-index: 1;
  position: absolute;
  height: 100%;
  width: 4px;
  padding-right: 0px;
  border-radius: 2px;
  background-color: transparent;
  left: -1px;
  transition: background-color 0.2s;
}

.block-children-left-border:hover {
  /* this is the color of vertical lines (not threded) on hover */
  background-color: var(--ls-block-bullet-active-color);
}

.block-content-wrapper {
  position: relative;
  overflow-x: visible !important;
  /* Fixme: overflow? */
}

.bullet-container {
  /* height: 14px !important;
  width: 14px !important; */
  position: relative;
  transform: translate(1px, -1px);
}

/* Block bullet path should only show in a nested block */
/* .ls-block { */
  /* Fix for headings like h1, h2 etc */
  /* Basic "curve" */
  /* Fix multi-line blocks with children */
/* } */

/* .ls-block .bullet {
  background-color: var(--ls-block-bullet-active-color);
  box-shadow: 0 0 0 1px var(--ls-block-bullet-active-color);
} */

.ls-block div.block-control-wrap {
  position: relative;
  height: 26px !important;
}

.ls-block>.items-baseline {
  align-items: initial;
}

.ls-block:not(:focus-within) .bullet {
  /* background-color: var(--ls-block-bullet-color); */
  transform: scale(1);
  box-shadow: none;
}

.ls-block:not(:focus-within)>.items-baseline {
  align-items: baseline;
}

.ls-block .ls-block>div>div.items-center::before {
  pointer-events: none;
  content: "";
  left: calc(var(--ls-block-bullet-threading-width) * -1);
  right: 16px;
  top: calc(-50% + var(--ls-block-bullet-threading-width) * 0.5 - 1px);
  bottom: 50%;
  /* shift left 1px for border */
  position: absolute;
  border-left: var(--ls-block-bullet-threading-width) solid transparent;
  border-bottom: var(--ls-block-bullet-threading-width) solid transparent;
  border-bottom-left-radius: 10px;
}

.ls-block .ls-block:focus-within>div>div.items-center::before {
  border-color: var(--ls-block-bullet-active-color);
}

.ls-block .custom-query .ls-block:focus-within>div>div.items-center::before {
  border-color: transparent;
}

.ls-block .block-children>.ls-block::before {
  pointer-events: none;
  content: "";
  top: -1rem;
  bottom: 0;
  border-left: var(--ls-block-bullet-threading-width) solid transparent;
  left: calc(var(--ls-block-bullet-threading-width) * -1);
  position: absolute;
}

.ls-block .block-children:focus-within>.ls-block:not(:focus-within)::before {
  border-color: var(--ls-block-bullet-active-color);
}


.ls-block .block-children:focus-within>.ls-block:focus-within~.ls-block::before {
  border-color: transparent;
}

.ls-block[haschild]>div>.block-content-wrapper::before {
  pointer-events: none;
  content: "";
  top: 12px;
  bottom: 0;
  left: -15px;
  position: absolute;
  border-left: var(--ls-block-bullet-threading-width) solid transparent;
}

.ls-block[haschild]:focus-within>div>.block-content-wrapper::before {
  border-color: var(--ls-block-bullet-active-color);
}

:is(.embed-block > div, .embed-page)>div>div>div>div.ls-block>div>div.items-center::before {
  border-color: transparent !important;
}

@media (max-width: 640px) {
  .ls-block[haschild]>div>.block-content-wrapper::before {
    left: -11px;
  }
}

/* Disable for doc mode */
.doc-mode div.items-center::before,
.doc-mode div.items-center::after,
.doc-mode .ls-block::before,
.doc-mode .ls-block::after {
  display: none;
}

.doc-mode .block-children {
  border-left-width: 0px !important;
}