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 mt-3">
  <h2>Fill / Equal Widths</h2>
  <p>Use .flex-fill on flex items to force them into equal widths:</p>
  <div class="d-flex mb-3">
    <div class="p-2 flex-fill bg-info">Flex item 1</div>
    <div class="p-2 flex-fill bg-warning">Flex item 2</div>
    <div class="p-2 flex-fill bg-primary">Flex item 3</div>
  </div>
  <p>Example without .flex-fill:</p>
  <div class="d-flex mb-3 bg-secondary">
    <div class="p-2 bg-info">Flex item 1</div>
    <div class="p-2 bg-warning">Flex item 2</div>
    <div class="p-2 bg-primary">Flex item 3</div>
  </div>
</div>