JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <div class="outer">
      <img class="img_size" src="https://www.w3schools.com/html/pic_trulli.jpg" alt="not found">
    </div>
    <div class="outer">
      <img class="img_size" src="https://www.w3schools.com/html/pic_trulli.jpg" alt="not found">
    </div>
    <div class="outer">
      <img class="img_size" src="https://www.w3schools.com/html/pic_trulli.jpg" alt="not found">
    </div>
</div>

CSS

.outer{
  width: 180px;
  height: 180px;
  float:left;
}

.img_size{
  width:100%;
  height:100%
}