"Alert Bar / Notification Bar by KTommy (Oat Chats)"
Bootstrap 3.0.0 Snippet by KTommy

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<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="alert">
<span class="closebtn" onclick="this.parentElement.style.display='none';">×</span>
This is an alert box.
</div>
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/* The alert message box */
.alert {
padding: 20px;
background-color: #f44336; /* Red */
color: white;
margin-bottom: 15px;
}
/* The close button */
.closebtn {
margin-left: 15px;
color: white;
font-weight: bold;
float: right;
font-size: 22px;
line-height: 20px;
cursor: pointer;
transition: 0.3s;
}
/* When moving the mouse over the close button */
.closebtn:hover {
color: black;
}
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// Get all elements with class="closebtn"
var close = document.getElementsByClassName("closebtn");
var i;
// Loop through all close buttons
for (i = 0; i < close.length; i++) {
// When someone clicks on a close button
close[i].onclick = function(){
// Get the parent of <span class="closebtn"> (<div class="alert">)
var div = this.parentElement;
// Set the opacity of div to 0 (transparent)
div.style.opacity = "0";
// Hide the div after 600ms (the same amount of milliseconds it takes to fade out)
setTimeout(function(){ div.style.display = "none"; }, 600);
}
}
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