Stretch single rows of items on different screens in Bootstrap 4

Use .align-items-*-stretch class to stretch single rows of items on different screens in Bootstrap 4.

Stretch single rows if items on specific screen sizes as shown below:

Small Screen Size

<div class="d-flex flex-wrap align-items-sm-stretch bg-secondary" style="height:200px">
</div>

Medium Screen Size

<div class="d-flex flex-wrap align-items-md-stretch bg-secondary" style="height:200px">
</div>

Large Screen Size

<div class="d-flex flex-wrap align-items-lg-stretch bg-secondary" style="height:200px">
</div>

Extra Large Screen Size

<div class="d-flex flex-wrap align-items-xl-stretch bg-secondary" style="height:200px">
</div>

Let us implement the align-items-*-stretch class in Bootstrap 4 −

Example

Live Demo

<!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="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
  </head>
  <body>
    <div class="container mt-3">
      <h1>Align Flex Items on a single row (stretch)</h1>
      <div class="d-flex flex-wrap align-items-stretch bg-info" style="height:200px">
        <div class="p-2 border">Item 1</div>
        <div class="p-2 border">Item 2</div>
        <div class="p-2 border">Item 3</div>
        <div class="p-2 border">Item 4</div>
     </div>
     <h2>Small Screen Size</h2>
     <div class="d-flex flex-wrap align-items-sm-stretch bg-secondary" style="height:200px">
       <div class="p-2 border">Item 1</div>
       <div class="p-2 border">Item 2</div>
       <div class="p-2 border">Item 3</div>
       <div class="p-2 border">Item 4</div>
     </div>
     <h2>Medium Screen Size</h2>
     <div class="d-flex flex-wrap align-items-md-stretch bg-info" style="height:200px">
       <div class="p-2 border">Item 1</div>
       <div class="p-2 border">Item 2</div>
       <div class="p-2 border">Item 3</div>
       <div class="p-2 border">Item 4</div>
     </div>
     <h2>Large Screen Size</h2>
     <div class="d-flex flex-wrap align-items-lg-stretch bg-info" style="height:200px">
       <div class="p-2 border">Item 1</div>
       <div class="p-2 border">Item 2</div>
       <div class="p-2 border">Item 3</div>
       <div class="p-2 border">Item 4</div>
     </div>
     <h2>Extra Large Screen Size</h2>
     <div class="d-flex flex-wrap align-items-xl-stretch bg-info" style="height:200px">
       <div class="p-2 border">Item 1</div>
       <div class="p-2 border">Item 2</div>
       <div class="p-2 border">Item 3</div>
       <div class="p-2 border">Item 4</div>
     </div>
  </div>
 </body>
</html>