JSFiddle - React, Tailwind, and code Playground

HTML

<div class="image-container">
    <img src="http://placehold.it/800x200&text=hi!" width="800" height="200" alt="some image"/>
</div>

CSS

.image-container {
    width: 50%; /* change to the value you need to use */
}

.image-container img{
    max-width: 100%;
    height: auto;
}