JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
<div class="post">
    <h1>This is a Post</h1>
</div>
<div class="post">
    <h1>This is a Post</h1>
</div>

<div class="post">
    <h1>This is a Post</h1>
</div>

CSS

.post {
    margin-bottom:50px;
    background:#eaeaea
}
.post+.post:before {
    content: "↓";
}