W3.CSS - Modal Dialog

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W3.CSS can be used to display a customizable modal dialog box instead of the standard JavaScript alert.

It uses w3-row and w3-col style classes to define rows and columns respectively.

Sr. No. Class Name & Description
1

modal-dialog

Represents the main parent window to define a dialog box.
2

w3-modal-dialog

Represents the dialog content container.

3

w3-modal-content

Represents dialog contents.

Example

w3css_modal_dialog.htm

Live Demo 
<html>
   <head>
      <title>The W3.CSS Modal dialog</title>
      <meta name = "viewport" content = "width = device-width, initial-scale = 1">
      <link rel = "stylesheet" href = "https://www.w3schools.com/lib/w3.css">
   </head>
   
   <body class = "w3-container">
      <h2>Modal dialog Demo</h2>
      <a class = "w3-btn w3-teal" href = "#model-dialog">Open a Modal dialog</a>
      <div id = "model-dialog" class = "w3-modal">
         <div class = "w3-modal-dialog">
            <div class = "w3-modal-content w3-card-8">
               <header class = "w3-container w3-teal">
                  <a href = "#" class = "w3-closebtn">×</a>
                  <h2>Howcodex</h2>
               </header>
               <div class = "w3-container">
                  <p>Hello World!</p>
               </div>
               <footer class = "w3-container w3-teal">
                  <p>@Howcodex.COM</p>
               </footer>
            </div>
         </div>
      </div>
   </body>
</html>

Result

Verify the result.

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