JSFiddle - React, Tailwind, and code Playground

by CheapSk8

HTML

<div class="main">
  <div class="left">
    <div class="image-wrapper" style="background-image: url('https://via.placeholder.com/150x150')">
    </div>
  </div>
  <div class="right">
    <div class="row">
      <div class="image-wrapper" style="background-image: url('https://via.placeholder.com/150x150')">
      </div>
      <div class="image-wrapper" style="background-image: url('https://via.placeholder.com/150x150')">
      </div>
    </div>
    <div class="row">
      <div class="image-wrapper" style="background-image: url('https://via.placeholder.com/150x150')">
      </div>
      <!-- 
      <div class="image-wrapper" style="background-image: url('https://via.placeholder.com/150x150')">
      </div>
      -->
    </div>
  </div>
</div>

CSS

.main, .left, .right, .image-wrapper {
  box-sizing: border-box;
}
.main{
  display: flex;
  height: 500px;
  width:1000px;
  border: 1px solid #f00;
}
.image-wrapper{
  width:100%;
  height:100%;
  background: no-repeat center center;
  background-size: cover;  
  border: 5px solid #fff;
}
.left{
  width:50%;
  border: 1px solid green;
}
.right{
  width:50%;
  border: 1px solid blue;
}
.left, .right {
  box-sizing: border-box;
}
.row{
  display:flex;
  height:50%;
  box-sizing: border-box;
  width: 100%;
  border: 1px solid pink;
}