Do not allow wp user attributes to overlap

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Allow email addresses in user avatar to wrap

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Use default line heights in user avatar

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Specify default width for user avatar

Unfortunately, auto is not well supported on IE 11.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Living Style Guide: Document wp activity list

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Merge branch 'dev' into fix/14596-details-pane-long-attributes
Fix for regression in activity list avatar styling

Tighten up scoping of various classes.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Merge pull request #2011 from opf/fix/14596-details-pane-long-attributes