• Template
• Template Revisited - this is an old format page
• File Structure and page flow
• DIY - The Do It Yourself Approach
• Not changing too much before testing

References -

• 1 - How-to - Overlay - https://www.w3schools.com/howto/howto_css_overlay.asp
• Overlay
• 2 - How to Create an Overlay Using CSS - https:// www.w3docs.com/ snippets/css/how-to-create- an-overlay-using-css.html - As far as I can see W3Docs are not affiliated with W3C
• W3Docs