JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="sidebar">

  </div>
  <div class="home">

  </div>
</div>

SCSS

.container {
  width: 100%;
  overflow:hidden;
  height:800px;

  .sidebar {
    width:280px;
    background:red;
    height:800px;
    display:inline-block;
    float:left;
  }

  .home {
    width:auto;
    background:green;
    height:800px;
  }
}