HTML and CSS Reference
In-Depth Information
All possible positions of the upper-left corner are matched in Figure
6-6
.
Figure 6-6.
Five possible positions for the upper-left corner of the tile
Other corners will be drawn following the same principle, as shown in Figure
6-7
.
Figure 6-7.
Surface symmetry
In the end, you have the variant shown in Figure
6-8
, where you can see that some corners are not used.