JSFiddle - React, Tailwind, and code Playground

HTML

<div class="foo">
<div id="container"> 
  <div id="content"> 
      Your content here 
  </div> 
</div> 
</div>

CSS

.foo {
    margin: 50px;
    background-color: purple;
    height: 50px;
}
#container { 
    width: 100%;
    background-color: orange;
} 
#content { 
    margin-right:100px;
    width:100%;
    background-color: green;
} 
body {
    margin: 0;
    font-family: sans-serif;
}