JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
     <i>&rarr;</i>Action
</div>

<div class="parent">
    Action<i>&larr;</i>
</div>

CSS

.parent i:first-child {
    margin-right: 5px;
    background: aquamarine;
}

.parent i:last-child {
    margin-left: 5px;
    border: 1px solid red;
}