Bootstrap 4 Forms

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Form act as a container for form elements. Form controls automatically receive some global styling with Bootstrap. All textual input, textarea, and select elements with class .form-control have a width of 100%.

Bootstrap 4 Form Layouts
• Stacked (full-width) form
• Inline form

Standard rules for all form layouts:
• Wrap labels and form controls in div class=”form-group.
• Add class .form-control to all textual input, textarea, and select elements.

Bootstrap 4 Stacked Form Example:

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap 4 Stacked Form Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
</head>
<body>
 
<div class="container">
  <h2>Bootstrap 4 Stacked Form Example</h2>
  <form action="actionName">
    <div class="form-group">
      <label for="email">UserName:</label>
      <input type="email" class="form-control" id="email" placeholder="Enter UserName" name="email">
    </div>
    <div class="form-group">
      <label for="pwd">Password:</label>
      <input type="password" class="form-control" id="pwd" placeholder="Enter Password" name="pswd">
    </div>
    <div class="form-check">
      <label class="form-check-label">
        <input class="form-check-input" type="checkbox" name="remember"> Remember me
      </label>
    </div>
    <button type="submit" class="btn btn-primary">Login</button>
  </form>
</div>
 
</body>
</html>

Output:



In bootstrap inline form, all of the elements are inline, left-aligned, and the labels are alongside.
Note: This example only applies to forms within viewports that are at least 576px wide. On screens smaller than 576px, it will stack horizontally.

Standard rules for Inline form layouts:
• Wrap labels and form controls in div class=”form-group.
• Add class .form-control to all textual input, textarea, and select elements.
• Add class .form-inline to the form element

Bootstrap 4 Inline Form Example:

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap 4 Inline Form Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
</head>
<body>
 
<div class="container">
  <h2>Bootstrap 4 Inline Form Example</h2>
  <form class="form-inline" action="actionName">
    <label for="email">UserName:</label>
    <input type="email" class="form-control" id="email" placeholder="Enter UserName" name="email">
    <label for="pwd">Password:</label>
    <input type="password" class="form-control" id="pwd" placeholder="Enter Password" name="pswd">
    <div class="form-check">
      <label class="form-check-label">
        <input class="form-check-input" type="checkbox" name="remember"> Remember me
      </label>
    </div>
    <button type="submit" class="btn btn-primary">Login</button>
  </form>
</div>
 
</body>
</html>

Output: