JSFiddle - React, Tailwind, and code Playground

HTML

<header class="siteHeader">
    <img src="http://placehold.it/250x250" class="siteLogo" />
</header>

CSS

.siteHeader{
    width: 50px;
    height: 50px;
    overflow: hidden;
}

.siteHeader .siteLogo{
    margin: -100px;
}