JSFiddle - React, Tailwind, and code Playground

HTML

<body>
<tree-node node="node" class="ng-isolate-scope" style="position: relative; cursor: pointer;"><ul class="ng-scope"><li ng-transclude=""><div ng-transclude="" class="ng-scope">
      <drop-zone class="ng-scope" style="position: absolute; top: 0.5em; left: 0px; width: 100%; height: 20px; background-color: rgba(127, 0, 5, 0.298039); background-position: initial initial; background-repeat: initial initial;"></drop-zone>
      <tree-handle ng-class="{selected:node.selected,complete:node.status == 'complete'}" class="ng-scope"><div ng-transclude=""><span class="ng-binding ng-scope">Introduce user tools</span></div></tree-handle>
    </div></li><!-- ngRepeat: node in node.nodes --><div ng-repeat="node in node.nodes" class="ng-scope"><tree-node node="node" class="ng-isolate-scope" style="position: relative; cursor: pointer;"><ul class="ng-scope"><li ng-transclude=""><div ng-transclude="" class="ng-scope"><div ng-transclude="" class="ng-scope">
      <drop-zone class="ng-scope" style="position: absolute; top: 0.5em; left: 0px; width: 100%; height: 20px; background-color: rgba(127, 0, 10, 0.298039); background-position: initial initial; background-repeat: initial initial;"></drop-zone>
      <tree-handle ng-class="{selected:node.selected,complete:node.status == 'complete'}" class="ng-scope"><div ng-transclude=""><span class="ng-binding ng-scope">Add login tools to client</span></div></tree-handle>
    </div></div></li><!-- ngRepeat: node in node.nodes --></ul></tree-node></div><!-- end ngRepeat: node in node.nodes --><div ng-repeat="node in node.nodes" class="ng-scope"><tree-node node="node" class="ng-isolate-scope" style="position: relative; cursor: pointer;"><ul class="ng-scope"><li ng-transclude=""><div ng-transclude="" class="ng-scope"><div ng-transclude="" class="ng-scope">
      <drop-zone class="ng-scope" style="position: absolute; top: 0.5em; left: 0px; width: 100%; height: 20px; background-color: rgba(127, 0, 69, 0.298039); background-position: initial...

CSS

ul:hover{
  box-shadow: 0px 1px 2px 1px rgba(0,0,0,0.12);
}