tyle="writing-mode: vertical-lr; border-top: 10px solid; border-left: 20px solid;">
  <div class="rect" data-offset-x="0" data-offset-y="0"></div>
</div>

<div class="flexbox column" style="writing-mode: vertical-lr; border-top: 10px solid; border-left: 20px solid;">
  <div class="rect" data-offset-x="0" data-offset-y="0"></div>
</div>

<div class="flexbox" style="direction: rtl; border-top: 10px solid; border-right: 20px solid;">
  <div class="rect" data-offset-x="50" data-offset-y="0"></div>
</div>

<div 