JSFiddle - React, Tailwind, and code Playground

HTML

<div class="hexagon"><img src="http://www.edinphoto.org.uk/0_STREET/0_street_views_-_arden_street_2006_barry_nelson.jpg" width="200" height="200" /></div>

CSS

.hexagon {
  position: relative;
  width: 150px; 
  height: 86.60px;
  background-color: #64C7CC;
  margin: 43.30px 0;
  float:left;
  margin-right:10px;
}

.hexagon:before,
.hexagon:after {
  content: "";
  position: absolute;
  width: 0;
  border-left: 75px solid transparent;
  border-right: 75px solid transparent;
}

.hexagon:before {
  bottom: 100%;
  border-bottom: 43.30px solid #64C7CC;
}

.hexagon:after {
  top: 100%;
  width: 0;
  border-top: 43.30px solid #64C7CC;
}

#hexagons-1{
  display: table;
    margin: 0 auto;
	margin-top: 100px;
}

#hexagons-2{
  display: table;
    margin: 0 auto;
margin-top:-28px;
}