code: function renderLevelCss(
  		containerId,
  		depth,
  		levelOfs,
  		lineOfs,
  		labelOfs,
  		measureUnit
  	) {
  		var i,
  			prefix = "#" + containerId + " span.fancytree-level-",
  			rules = [];
  
  		for (i = 0; i < depth; i++) {
  			rules.push(
  				prefix +
  					(i + 1) +
  					" span.fancytree-title { padding-left: " +
  					(i * levelOfs + lineOfs) +
  					measureUnit +
  					"; }"
  			);
  		}
  		// Some UI animations wrap the UL inside a DIV and set position:relative on both.
  		// This breaks the left:0 and padding-left:nn settings of the title
  		rules.push(
  			"#" +
  			containerId +
  			" div.ui-effects-wrapper ul li span.fancytree-title, " +
  			"#" +
  			containerId +
  			" li.fancytree-animating span.fancytree-title " + // #716
  				"{ padding-left: " +
  				labelOfs +
  				measureUnit +
  				"; position: static; width: auto; }"
  		);
  		return rules.join("\n");
  	}
docs: /* Calculate the CSS rules that indent title spans.