JSFiddle - React, Tailwind, and code Playground
by Yonathan Benitah
HTML
<div>
<div class="hero">coucou 1</div>
<div class="hero">coucou 2</div>
</div>
CSS
.hero {
/* position:relative;
background-color:#e15915;
height:120px !important;
width:100% !importan */t;
}
.hero:after {
content:'';
position: absolute;
top: 100%;
left: 50%;
margin-left: -50px;
width: 0;
height: 0;
border-bottom: solid 50px #e15915;
border-left: solid 50px transparent;
border-right: solid 50px transparent;
}