Demos: fixed broken link to custom responsive grid example
Demos: added collapsing border styling to custom responsive grid example
Demos: improved dynamic controlgroup demo.
Demos: copy editing of panel styling demo.
Demos: made menu title match page title
Demos: cleaned up buttons in grids page
More contrast on the docs, including code samples. Closes #5676.
Demos: copy editing of panel fixed positioning demo.
Demos: improvements to form pages.