JSFiddle - React, Tailwind, and code Playground

HTML

<div class="page_edit">
  <a href="/news/update/1014" >Закрыть</a><br>
  <a href="/news/delete/1014" >Удалить</a><br>
  <a href="/news/edit/1014">Редактировать</a>
</div>

CSS

.page_edit a{display:inline-block;}
.page_edit a:before{content:"";display:inline-block;width:20px;height:16px;}

.page_edit a[href*="update"]:before{background:blue;}
.page_edit a[href*="edit"]:before{background:green;}
.page_edit a[href*="delete"]:before{background:red;}
a + a {outline:none;}