The top bar (header) has 2 buttons. "Return" is for going back to https://www.7182696978.com/projects. "What is this?" skips directly to the "What is This?" section of the page.
Right after that is the beige-colored section of the page. It is the main program.
Finally, at the bottom is this blue-colored section. It's for explaining the program above. All other projects in https://www.7182696978.com/projects will use this exact format.
A small window to show the current day. The background image changes depending on the time of day. If it's between 7:00 PM and 6:59 AM, the background switches to a drawing of the Moon. If it's between 7:00 AM and 6:59 PM, the background switches to a drawing of the Sun. Click to see the drawings.
(For programmers, I'm just playing with switch case and if, else if, else.)
Select an image and click "Display". I took the pictures myself.
(For programmers, I'm just playing with document.getElementById('').attribute)
Explaining photos: