Pure CSS3, without javascript. headerMessage is a lightweight CSS library for generating a sliding header panel to show important messages about your website on toggle.
http://fpmweb.github.io/headerMessage
Include the headerMessage.css into the head section of your html page.
<link rel="stylesheet" href="css/headerMessage.css">
Add your own messages to the header panel.
<div class="headerMessage">
<h1> hello world!</h1>
<h2>I'm a hidden message.</h2>
</div>
Create a checkbox based button to toggle the header message panel.
<input type="checkbox" name="toggle" id="toggle">
<label for="toggle"></label>
To add a new Bower package to your project you use the install command. This should be passed the name of the package you wish to install.
bower install headerMessage