JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="line1">
    <div class="cell">
      <div class="text">
        Text 1
      </div>
      <div class="text">
        Text 2
      </div>
    </div>
    <div class="cell">
      <div class="text">
        Text 2
      </div>
    </div>
  </div>
</div>

CSS

.container {
  width: 100%;
  border: 1px solid black;
  display: flex;
  flex-wrap: wrap;

}

.text {
  height: 34px;
  border: 1px solid red
}

.cell {
  padding: 3px;
  border: 1px solid black;
}

.line1 {
  display: flex;
  width: 100%;
}