kapanabilen uyarı mesajları html kodu. CSS ile kullanılan ( Success Message, Info Message, Warning Message, Danger Message ) her platform için uygun ve denenmiştir.
nasıl kullanılır?

ÖNİZLEME

orjinal boyut için tıkla

HTML

<div class="container">
<div class="row">
<div class="col-sm-6 col-md-6">
  <div class="alert alert-success">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">
×</button>
span class="glyphicon glyphicon-ok"></span> <strong>Success Message</strong>
<hr class="message-inner-separator">
 <p>
You successfully read this important alert message.</p>
 </div>
 </div>
<div class="col-sm-6 col-md-6">
<div class="alert alert-info">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">
 ×</button>
<span class="glyphicon glyphicon-info-sign"></span> <strong>Info Message</strong>
 <hr class="message-inner-separator">
<p>
 This alert needs your attention, but it's not super important.</p>
 </div>
  </div>
<div class="col-sm-6 col-md-6">
<div class="alert alert-warning">
 <button type="button" class="close" data-dismiss="alert" aria-hidden="true">
 ×</button>
<span class="glyphicon glyphicon-record"></span> <strong>Warning Message</strong>
<hr class="message-inner-separator">
<p>
Best check yo self, you're not looking too good.</p>
 </div>
  </div>
<div class="col-sm-6 col-md-6">
<div class="alert alert-danger">
<button type="button" class="close" data-dismiss="alert" aria-hidden="true">
 ×</button>
<span class="glyphicon glyphicon-hand-right"></span> <strong>Danger Message</strong>
 <hr class="message-inner-separator">
<p>
                    Change a few things up and try submitting again.</p>
            </div>
        </div>
    </div>
</div>
       

CSS

    body { margin-top:30px; }
hr.message-inner-separator
{
    clear: both;
    margin-top: 10px;
    margin-bottom: 13px;
    border: 0;
    height: 1px;
    background-image: -webkit-linear-gradient(left,rgba(0, 0, 0, 0),rgba(0, 0, 0, 0.15),rgba(0, 0, 0, 0));
    background-image: -moz-linear-gradient(left,rgba(0,0,0,0),rgba(0,0,0,0.15),rgba(0,0,0,0));
    background-image: -ms-linear-gradient(left,rgba(0,0,0,0),rgba(0,0,0,0.15),rgba(0,0,0,0));
    background-image: -o-linear-gradient(left,rgba(0,0,0,0),rgba(0,0,0,0.15),rgba(0,0,0,0));
}