Find out how tessellation is when shapes fit together in a pattern with no gaps or overlaps. Shapes with 4 sides Explore four-sided shapes looking at straight lines, curved lines and 2D shapes ...

disallow things, e.g. specific units enforce naming patterns, e.g. for custom properties set limits, e.g. the number of ID selectors specify notations, e.g. for modern color functions We recommend ...

To quickly include the fonts in your web page you may wish to use our stylesheet which defines all the font-faces and links to the relevant files hosted on github. Sparks uses OpenType's contextual ...