Release 0.3.0

This release has

New features:

• Theme initialization function - creates CSS root variables with current theme colors and font for general access in CSS.
• Float Dialog container - add a floating dialog container that drops down into view from the top of the page
• Overlay - add an opaque or transparent cover layer over the entire viewport with option to blur the page beneath it

Enhancements

• CSS helper function now accepts CSS in dictionary format and/or as access variables (@Socvest).
• float and float_parent functions now work in Firefox thanks to alternate Javascript-based solution #2 (@Socvest)

Bug fixes:

• Extra space added to content when float_init is called is now automatically removed