JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap clear">
<div class="margin">
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
	<div class="item"><img src="http://fakeimg.pl/200x200/F90/fff/" alt=""></div>
</div>
</div>

CSS

.wrap {
  border: 1px solid #000;
  max-width: 640px;
}
.wrap .item {
  float: left;
  margin: 10px;
}
img {
  display: block;
  width: 100%;
}
.clear:before, .clear:after {
  clear: both;
  content: "";
  display: block;
}
.margin {
  margin: -10px;
}