W3.CSS Panels
I am a panel.
I am a panel.
I am a container.
I am a container.
The Panel Class
The w3-panel class adds a 16px top and bottom margin and a 16px left and right padding to any HTML element.
Panels for Notes
The w3-panel class is perfect for displaying notes.
Notes are often displayed with a pale color:
London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.
Example
<div class="w3-panel w3-pale-green">
  <p>London 
is the most populous city in the United Kingdom,
  with a 
metropolitan area of over 9 million inhabitants.</p>
</div> 
Try It Yourself »
To learn more about W3.CSS Notes please visit the W3.CSS Notes chapter.
Panels for Quotes
The w3-panel class is perfect for displaying quotes.
Example
 <div class="w3-panel w3-leftbar w3-sand w3-xxlarge w3-serif">
  <p><i>"Make it as simple as possible, but not simpler."</i></p>
    </div>  
Try It Yourself »
To learn more about W3.CSS Quotes please visit the W3.CSS Quotes chapter.
Panels for Alerts
The w3-panel class is perfect for displaying alerts.
Alerts are often displayed using a strong color:
Danger!
Red often indicates a dangerous or negative situation.
Example
<div class="w3-panel w3-red">
  <h3>Danger!</h3>
  <p>Red often 
 indicates a dangerous or negative situation.</p>
</div> 
Try It Yourself »
To learn more about W3.CSS Alerts please visit the W3.CSS Alerts chapter.
Panels as Cards
London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.
Example
 <div class="w3-panel w3-blue w3-card-4">
  <p>London is the most populous city in the United Kingdom,
  with a 
 metropolitan area of over 9 million inhabitants.</p>
</div> 
 Try It Yourself »
Rounded Panels
London is the most populous city in the United Kingdom, with a metropolitan area of over 9 million inhabitants.
Example
 <div class="w3-panel w3-blue w3-round-xlarge">
  <p>London is the most populous city in the United Kingdom,
  with 
 a metropolitan area of over 9 million inhabitants.</p>
</div> 
 Try It Yourself »
Hide (Close) a Panel
Hiding a panel is easy.
Click on the X to close this panel.
Click on the X to close this panel.
Example
<div class="w3-panel 
  w3-display-container">
  <span onclick="this.parentElement.style.display='none'"
  class="w3-button 
  w3-display-topright">X</span>
  <p>Click on the X to close this panel.</p>
  <p>Click on the X to close this panel.</p>
</div>
Try It Yourself »
Show (Open) a Panel
Showing (a hidden) panel is easy:
Example
<button class="w3-btn" onclick="document.getElementById('id01').style.display='block'">Show 
panel</button>
<div id="id01" class="w3-panel w3-green 
  w3-display-container" style="display:none">
  <span onclick="this.parentElement.style.display='none'"
  class="w3-button 
  w3-display-topright">X</span>
   <p>Click on the X to close this panel.</p>
  <p>Click on the X to close this panel.</p>
</div>
 Try It Yourself »