Webmastertoolbag Tryit Editor

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="none">
  
  
  
</head>
<body>

<div class="container-fluid">
  <h2>More Unequal Columns</h2>
  <div class="row">
    <div class="col-8 bg-success">1 of 2</div>
    <div class="col-4 bg-warning">2 of 2</div>
  </div>
  <br>
  <div class="row">
    <div class="col-2 bg-success">1 of 4</div>
    <div class="col-2 bg-warning">2 of 4</div>
    <div class="col-2 bg-success">3 of 4</div>
    <div class="col-6 bg-warning">4  of 4</div>
  </div>
  <br>
  <div class="row">
    <div class="col-4 bg-success">1 of 4</div>
    <div class="col-6 bg-warning">2 of 4</div>
    <div class="col bg-success">3 of 4</div>
    <div class="col bg-warning">4  of 4</div>
  </div>
</div>