JSFiddle - React, Tailwind, and code Playground
HTML
<div class="wrapper1">
<div class="one">
<img width="1200px" height="500" src="https://images.unsplash.com/photo-1459666644539-a9755287d6b0?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=279b60ab483a2610d1e7260dc213898c&auto=format&fit=crop&w=828&q=80" alt="pic1">
</div>
<div class="two">
<img height="300px" width="600px" src="https://images.unsplash.com/photo-1508182314998-3bd49473002f?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=af394daae4bdbc4a95dc2204984b790d&auto=format&fit=crop&w=1350&q=80" alt="pic2">
</div>
<div class="three">
<img height="300px" width="600px" src="https://images.unsplash.com/photo-1516703914899-e8303d01329a?ixlib=rb-0.3.5&ixid=eyJhcHBfaWQiOjEyMDd9&s=b544282e40e1ddee968dac7188ae9a3e&auto=format&fit=crop&w=1350&q=80" alt="pic3">
</div>
</div>
CSS
.wrapper1 {
display: grid;
grid-column-gap: 1px;
grid-template-columns: repeat(3, 1fr);
grid-template-rows: 200px;
}
.one {
grid-column: 1/3;
grid-row: 1;
border: 2px dashed red;
}
.two {
grid-column: 3;
grid-row: 1;
border: 2px dashed red;
}
.three {
grid-column: 3;
grid-row: 2;
border: 2px dashed red;
}