Refs #68. Clarified the pgSz calculation
Refs #68. Convert page_width (in points) to ems, which is preferred for html
Refs #68. Default to None
Refs #68. Refactor
Refs #68. Removed old comment, added alignment parameter, default to None
Refs #68. Variable rename seems appropriate
Refs #68. Refactor
Refs #68. Updated a comment
Refs #68. Pass along twips and let the function do the conversion if it needs to
Refs #68. Updated test case
Refs #68. Refactored the style definitions
Refs #68. Refactor, added make_element
Refs #68. Don't need to convert if there are no attrs
Refs #68. Converted to use make_element
Refs #68. Need to use double quotes instead of single quotes
Refs #68. Resolved new flake8 errors resulting from the new release of pep8
Merge pull request #68 from kylegibson/issue_68

Styles clean-up, use ems instead of pixels