JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/masonry/3.2.2/masonry.pkgd.min.js"></script>
<div class="aside">ewrqwe <br>rq werqwer<br> qwer qwer</div>
<div class="content">
  <ul>
    <li>Пункт 1</li>
    <li>Пункт 2</li>
    <li>Пункт 3</li>
    <li>Пункт 4</li>
    <li>Пункт 5</li>
    <li>Пункт 6</li>
    <li>Пункт 7</li>
    <li>Пункт 8</li>

</ul>
</div>

CSS

.aside {
  width: 250px;
  border: 1px solid black;
  float: left;
}

.content {
  border: 1px solid black;
  background-color: #ddd;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}



li {
  
  border: 1px solid #ccc;
  
}


li:before {
  content: url('https://yastatic.net/s3/home/news/desktop/multicolor/rbk.svg');
  margin-left: 5px;
  margin-right: 5px;
}