make a div work as a popup

Question

I am designing a simple webpage. I want to display a popup window in the same page just like the image attached below.

Answer 1

Here is on example. here the popup will show some checkboxes. you can add whatever you need (form,images,text) inside the div tag.

The Html code is shown below

    

     

         

            
 Item 1
            
 Item 2
            
 Item 3
            
 Item 4
            
 Item 5
            
 Item 6
        
    
    

The CSS code shown below

The javascript is shown below