Here is my snippet with the one change, try this one.
/* Outline CSS Snippet
https://forum.obsidian.md/t/my-css-snippets-for-outline-inspired-by-logseq-bullet-threading-plugin/48558
*/
body {
--outline-guideline-width: var(--size-2-1);
--outline-guideline-color: var(--accent-active);
--outline-item-height: calc(var(--nav-item-size) * 1.8);
/*active color*/
--accent-active: hsl(var(--accent-h),
var(--accent-s),
calc(var(--accent-l) + 4%));
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item {
position: relative;
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-self {
position: relative;
margin-bottom: 0;
white-space: nowrap;
margin-top: -5px !important;
/* fix item gap */
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-self .tree-item-inner {
padding-left: var(--size-4-4);
overflow: hidden;
text-overflow: ellipsis;
height: var(--outline-item-height);
line-height: var(--outline-item-height);
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-self .tree-item-inner::before {
content: "";
width: var(--size-4-1);
height: var(--size-4-1);
border: var(--size-2-1) solid var(--outline-guideline-color);
border-radius: 50%;
position: absolute;
left: 7px;
top: 50%;
transform: translateY(-50%);
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-self .tree-item-icon ~ .tree-item-inner {
padding-left: var(--size-4-4); /* Changed from 'var(--size-4-1);' now looks right */
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-self .tree-item-icon ~ .tree-item-inner::before {
content: none;
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item.is-collapsed .tree-item-icon::before {
box-shadow: 0 0 0 var(--size-4-1) var(--background-modifier-hover);
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item::after {
content: "";
width: var(--outline-guideline-width);
position: absolute;
background-color: transparent;
top: calc(var(--outline-item-height) / 2 * -1);
left: -10px;
height: calc(100% - var(--outline-item-height) + var(--size-4-8));
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-icon {
cursor: pointer;
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-icon::before {
width: var(--size-4-2);
height: var(--size-4-2);
background-color: var(--outline-guideline-color);
border-radius: 50%;
position: absolute;
left: 7px;
top: 50%;
transform: translateY(-50%);
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item-icon svg path {
display: none;
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item:hover > .tree-item-children > .tree-item::after {
background-color: var(--outline-guideline-color);
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item:hover > .tree-item-self:hover + .tree-item-children .tree-item::after {
background-color: transparent;
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item:hover > .tree-item-children > .tree-item:hover::after, .workspace-leaf-content[data-type=outline] .view-content .outline .tree-item:hover > .tree-item-children > .tree-item:hover ~ .tree-item::after {
background-color: transparent;
}
.workspace-leaf-content[data-type=outline] .view-content .outline .tree-item:hover > .tree-item-children > .tree-item:hover::before {
content: "";
position: absolute;
top: calc(var(--outline-item-height) / 2 * -1);
left: -10px;
bottom: calc(100% - (var(--outline-item-height) + var(--size-4-2)) / 2 - 1px);
width: var(--size-4-4);
border-bottom-left-radius: var(--radius-m);
border-bottom: var(--outline-guideline-width) solid var(--outline-guideline-color);
border-left: var(--outline-guideline-width) solid var(--outline-guideline-color);
}
.workspace-leaf-content[data-type=outline] .view-content .outline :is(.tree-item-children, .tree-item-self .tree-item-self) {
padding-left: 0;
margin-left: var(--size-4-5);
border-left: none;
}