JSFiddle - React, Tailwind, and code Playground

HTML

<header class="grid">
    <div class="block-img-logo">
        <img src="https://tse4.mm.bing.net/th?id=OIP.St99jKu3xSuxPRv0MFhfWQHaDi&pid=Api">
    </div>		
    <div class="block-navigation">
         <ul>Navigation</ul>
    </div>

CSS

img {
   width: 100%;  
}