Add a fading effect when closing an alert box in Bootstrap

Use the .fade class in Bootstrap to add a fading effect when the alert is closed:


Live Demo

<!DOCTYPE html>
      <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>
      <div class = "container">
         <h2>Eclipse Refactoring</h2>
         <div class = "alert alert-danger alert-dismissible fade in">
            <a href = "#" class = "close" data-dismiss="alert" aria-label = "close">×</a>
            To refactor code in Eclipse, try the below given steps in the video (You can also close this alert)
      <div class = "container">
         <div class = "embed-responsive embed-responsive-16by9">
            <iframe class = "embed-responsive-item" src = " "></iframe>