Add the yellow label (stating warning) with Bootstrap

Use .label-warning class in Bootstrap to add yellow label.

You can try to run the following code to implement the .label-warning class −

Example

<!DOCTYPE html>
<html>
   <head>
      <title>Bootstrap Example</title>
      <link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
      <script src = "/scripts/jquery.min.js"></script>
      <script src = "/bootstrap/js/bootstrap.min.js"></script>
   </head>
   <body>
      <div class = "container">
         <p>Warning label</p>
         <span class = "label label-warning">Warning</span>
      </div>
   </body>
</html>