JSFiddle - React, Tailwind, and code Playground

by Valentin Sarychev

HTML

<div class="wrap">
  <div class="fill">
    fill
  </div>
  <div class="flex">
    <div class="item">
          <div class="inline">
        
      </div>
    </div>
    <div class="item">
      <div class="inline">
        
      </div>
    </div>
  </div>
</div>

CSS

.wrap {
  display: flex;
  flex-flow: column nowrap;
  background: blue;
  
  height: 100px;
}

.fill {
  flex: 1;
  background: yellow;
}

.flex {
  columns: 2 100%;
  column-gap: 0px;
}

.item:first-child {
  width: 100%;
  height: 40px;
  background: red;
}

.item:last-child {
  width: 100%;
  height: 80px;
  background: green;
}

.inline {
  display: inline-block;
  height: 100%;
  width: 100%;
}