<div class="sidebar" fxLayout="column" ngxSplit="column">
  <div fxflex="1 1 30px" class="tree-filter">
    <elements-tree-filter ></elements-tree-filter>
  </div>
  <div class="overflow ngx-scroll-overlay" fxflex="1 1 calc(90%-60px)">
    <elements-asset-tree ></elements-asset-tree>
  </div>

  <div class="footer-version" fxflex="1 1 30px">
    <p> Version <strong>{{version}}</strong></p>
  </div>
</div>