vuetify/lib/labs/VTreeview/VTreeviewItem.css

Vue Material Component Framework

.v-treeview-item {
  --list-indent-size: 28px;
}
.v-treeview-item.v-treeview-item--filtered {
  display: none;
}
.v-treeview-item__level {
  width: 28px;
}
.v-treeview--fluid .v-treeview-item__level {
  width: 0;
}

.v-treeview.v-list {
  --indent-padding: 16px;
}
.v-treeview.v-list--disabled .v-list-item__prepend {
  pointer-events: auto;
}

.v-treeview-group.v-list-group {
  --list-indent-size: 0px;
}
.v-treeview-group.v-list-group > .v-treeview-item__level {
  width: 0px;
}
.v-treeview-group.v-list-group .v-list-group__items .v-list-item {
  padding-inline-start: calc(var(--indent-padding)) !important;
}