JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <img src="http://ecmo.ru/data/Himki-forest.jpeg" alt="" />
</div>
<div>
    <img src="http://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/%D0%9C%D0%B0%D1%87%D1%82%D0%BE%D0%B2%D1%8B%D0%B9_%D0%BB%D0%B5%D1%81.jpg/220px-%D0%9C%D0%B0%D1%87%D1%82%D0%BE%D0%B2%D1%8B%D0%B9_%D0%BB%D0%B5%D1%81.jpg" alt="" />
</div>

CSS

div {
    width: 150px;
    height: 150px;
    border: 1px solid;
    text-align: center;
}

img {
    max-width: 150px;
    max-height: 150px;
}