JSFiddle - React, Tailwind, and code Playground

HTML

<div class="div1"> 
    
    <img src="http://www.yourdailymac.net/wp-content/uploads/2011/04/googlechromelogo_copy.jpg" title="normal image">       
    
    <br>
    
    <img src="http://www.yourdailymac.net/wp-content/uploads/2011/04/googlechromelogo_copy.jpg" class="myimg" title="myimg class image">       
    
</div>

CSS

.div1 img {
  border: 2px solid red;
    height: 200px; width: 260px;
}

.div1 .myimg {
  border: 1px solid blue;
}