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">
  <h1>Input Group Buttons</h1>
  <div class="input-group mb-3">
    <div class="input-group-prepend">
      <button class="btn btn-outline-primary" type="button">Basic Button</button>  
    </div>
    
  </div>

<div class="input-group mb-3">
    
    <div class="input-group-append">
      <button class="btn btn-primary" type="button">OK</button>  
      <button class="btn btn-danger" type="button">Cancel</button>  
     </div>
  </div>
</div>