Supports calculating expression results

[SkyD666]

For example, calculating the final result using values ​​with CSS variables.

margin-left: var(--text-margin) -> margin-left: 12

[phax]

The execution part of CSS is not part of ph-css - it's really on providing the data structures to parse and create CSS from scratch. For calculations to be performed additional "browser like" data structures and knowledge would be necessary