JSFiddle - React, Tailwind, and code Playground

HTML

<a href="OnlyThisONE">
 <img class="SameClassForAllIMG" src="//dummyimage.com/300x100/111/fff&text=random.png">
</a>

<a href="OnlyThisONE">
 <img class="SameClassForAllIMG" src="//dummyimage.com/300x100/111/fff&text=images.png">
</a>

CSS

img.SameClassForAllIMG[src*="random.png"] {
    content: url(//dummyimage.com/300x100/111/fff&text=new.png);
}