First of all: There are no images on this page. No Flash-animation, no nothing. It is all one self-contained page.
A box with no content (and a line height of 0px to make IE happy) and 50px borders on each side, in different colors.
Size:100x100
Size:50x50
Size:10x10
Size:0x0
This is Houston, we have a PYRAMID!
Now test if this browser allows transparent borders (as per errata to CSS2). The left, red, triangle should now be transparent.
Change the border widths individually (80/20 instead of 50/50).
Change the border widths individually (100/0 instead of 50/50).
Ok, now notice the corners. Those is simply two colors separarted by a slanted edge. Now we change the colors and sizes of the borders.
Circle (rough)
And, my logo.
And now some psychadelica