W3.CSS Alerts

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W3.CSS Alerts
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×
Danger!
Red often indicates a dangerous or negative situation.

×
Warning!
Yellow often indicates a warning that might need attention.

×
Success!
Green often indicates something successful or positive.

×
Info!
Blue often indicates a neutral informative change or action.

Displaying Alerts
The w3-panel class is the perfect class to display alerts.

Alerts are often displayed using a strong color:

Example
<div class="w3-panel w3-red">
  <h3>Danger!</h3>
  <p>Red often indicates a dangerous or negative situation.</p>
</div>
»
The w3-container class can also be used to display alerts:

Example
<div class="w3-container w3-red">
  <h3>Danger!</h3>
  <p>Red often indicates a dangerous or negative situation.</p>
</div>
»
Alerts in Other Colors
Alerts are often displayed in a strong color, but any color can be used:

Danger!
Here w3-pale-red is used.

w3-pink
Warning!
Here w3-pale-yellow is used.

w3-orange
Success!
Here w3-pale-green is used.

w3-blue-grey
Closing Alerts
To close the alert box, click on the X in the upper right corner:

×
Danger!
Red often indicates a dangerous or negative situation.

To create the X that closes the alert, add a <span> element with class w3-button  and an onclick event:

Example
<span onclick="this.parentElement.style.display='none'"
class="w3-button w3-display-topright">&times;</span>
»
Tip: The HTML &times; entity is the preferred icon for close buttons (rather than the letter "X").

Rounded Alerts
Use the w3-round classes if you want rounded corners:

Success!
Here w3-round is used.

Success!
Here w3-round-large is used.

Success!
Here w3-round-xxlarge is used.

Example
<div class="w3-panel w3-green w3-round">
»
Alert as a Card
Use a w3-card class if you want the alert to be displayed as a card:

Warning!
Yellow often indicates something that needs attention.

Example
<div class="w3-panel w3-yellow w3-card-4">
»

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