JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://wp-simplicity.com/wp-content/themes/simplicity-child-simplicity/style.css">
<div class="article">
    
<h1 class="entry-title">Simplicity独自Twitterシェアボタンのツイート数表示をやめました</h1>

</div>

CSS

.article h1 {
    position: relative;
}
.article h1::before {
    content: "";
    width: 2rem;
    height: 2rem;
    background-image: url("http://wp-simplicity.com/wp-content/uploads/2015/09/9262076747_086610db9b_k.jpg");
    display: block;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.entry-title {
    padding-left: 2.5rem;
}