JSFiddle - React, Tailwind, and code Playground

HTML

<div class="projectanimals">
                       <img src="https://pp.userapi.com/c837238/v837238002/580b0/EE0RlCnnbZk.jpg">
                       <img src="https://pp.userapi.com/c837238/v837238002/580b8/RVz69EpR_XQ.jpg">
                       <img src="https://pp.userapi.com/c837238/v837238002/580d0/8zPsTR9COLk.jpg">
           </div>

CSS

.projectanimals img {  
    background: #990000; 
    width: 33%;
}