bootstrap alerts additional content dismissing

1<div class="alert alert-warning alert-dismissible fade show" role="alert">
2  <strong>Holy guacamole!</strong> You should check in on some of those fields below.
3  <button type="button" class="close" data-dismiss="alert" aria-label="Close">
4    <span aria-hidden="true">&times;</span>
5  </button>
6</div>
7
8Enable dismissal of an alert via JavaScript:
9
10$('.alert').alert()
11$().alert('close')
12$().alert()
13$().alert('dispose')
14
15Events
16
17close.bs.alert
18closed.bs.alert

1Alerts are available for any length of text, as well as an optional dismiss
2button. For proper styling, use one of the eight required contextual classes
3(e.g., .alert-success). For inline dismissal, use the alerts jQuery plugin.
4
5<div class="alert alert-primary" role="alert">
6  A simple primary alert—check it out!
7</div>
8<div class="alert alert-secondary" role="alert">
9  A simple secondary alert—check it out!
10</div>
11<div class="alert alert-success" role="alert">
12  A simple success alert—check it out!
13</div>
14<div class="alert alert-danger" role="alert">
15  A simple danger alert—check it out!
16</div>
17<div class="alert alert-warning" role="alert">
18  A simple warning alert—check it out!
19</div>
20<div class="alert alert-info" role="alert">
21  A simple info alert—check it out!
22</div>
23<div class="alert alert-light" role="alert">
24  A simple light alert—check it out!
25</div>
26<div class="alert alert-dark" role="alert">
27  A simple dark alert—check it out!
28</div>
29
30<div class="alert alert-primary" role="alert">
31  A simple primary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
32</div>
33<div class="alert alert-secondary" role="alert">
34  A simple secondary alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
35</div>
36<div class="alert alert-success" role="alert">
37  A simple success alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
38</div>
39<div class="alert alert-danger" role="alert">
40  A simple danger alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
41</div>
42<div class="alert alert-warning" role="alert">
43  A simple warning alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
44</div>
45<div class="alert alert-info" role="alert">
46  A simple info alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
47</div>
48<div class="alert alert-light" role="alert">
49  A simple light alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
50</div>
51<div class="alert alert-dark" role="alert">
52  A simple dark alert with <a href="#" class="alert-link">an example link</a>. Give it a click if you like.
53</div>

1Alerts can also contain additional HTML elements like headings, paragraphs 
2and dividers.
3
4<div class="alert alert-success" role="alert">
5  <h4 class="alert-heading">Well done!</h4>
6  <p>Aww yeah, you successfully read this important alert message. This example text is going to run a bit longer so that you can see how spacing within an alert works with this kind of content.</p>
7  <hr>
8  <p class="mb-0">Whenever you need to, be sure to use margin utilities to keep things nice and tidy.</p>
9</div>