smart-webcomponents-community/source/styles/default/smart.grid.tree.css

Web Components & Custom Elements Community Version

smart-grid[tree] smart-grid-cell[has-toggle-button]:not([detail]) button[toggle-button] {
  padding-right: 7px;
  padding-right: 14px;
  margin-left: 7px;
  cursor: pointer;
}

.smart-grid[tree] smart-grid-row[level] > .smart-grid-cell-container > smart-grid-cell div[content] {
  line-height: initial;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
}
.smart-grid[tree] smart-grid-row[level] > .smart-grid-cell-container > smart-grid-cell div[content] > div[checkbox]:not(.smart-hidden) {
  margin-right: 7px;
}