JSFiddle - React, Tailwind, and code Playground

HTML

<div class="header">header</div>

<div class="main">

  <div class="sidebar1">
    sidebar1
  </div>
  
  <div class="wrapper">
  
    <div class="menu">
      menu
    </div>
    
    <div class="sidebar2">
      sidebar2
    </div>
    
    <div class="content">
      content
    </div>
    
  </div>
  
</div>

<div class="footer">footer</div>

CSS

.header {
	width: 100%;
	height: 100px;
	background: #ADB96E;
}

.main:after {
  content: "";
  display: table;
  clear: both;
}

.sidebar1 {
	width: 20%;
	height: 1000px;
	float: left;
	background: #EADCAE;
	padding-bottom: 10px;
}

.wrapper {
  width: 80%;
  float: left;
  height: 1000px;
  padding-bottom: 10px;
}

.menu {
	padding: 10px 0;
	height: 50px;
	background: #CCC49F;
}

.sidebar2 {
	width: 10%;
	height: 930px;
	float: left;
	background: #aaa;
	padding-bottom: 10px;
}

.content {
  width: 90%;
  float: left;
  background: #CF3;
  height: 940px;
}

.footer {
	padding: 10px 0;
	background: #CCC49F;
}