Click to Open a CSS Fullscreen Modal Window
This modal window/div contains a fullscreen image.
That image is assigned a z-index value of 1.
The button image is assigned a z-index value of 2
and is therefore visible on top of the fullscreen image.
Define its absolute position for placement.
Click here to CLOSE this Modal Window
Text and other content can be inserted here as needed.
Click
HERE
for the page source code for this example.