JSFiddle - React, Tailwind, and code Playground

HTML

<div class= "secondary__item" style="width: 100%; height : 850px;">
        <ul class="item-images">
        <li class="item-image"><div class="item"  id="item1" ></div></li>
            <li class="item-image"><div class="item"  id="item2" ></div></li>
        </ul>
        <ul class="item-images">
            <li class="item-image"><div class="item"  id="item3" ></div></li>
            <li class="item-image"><div class="item"  id="item4" ></div></li>
        </ul>
    </div>

CSS

.item {
height:300px;
width :300px;
background-repeat: no-repeat;
background-size : cover;

/*you can remove it*/
border: 1px solid;
}
.item:hover {
background-image: url('http://shushi168.com/data/out/114/36276270-image.png');
height:300px;
width :300px;
}