removing text-decoration of links in ls-alerts. the LS already put a border-bottom to make underline.
removing margin-bottom of paragraph in ls-alerts
Merge pull request #1068 from deividmarques/3.2.0

Wai-aria to collapse element
Merge pull request #1066 from diegoeis/3.2.0

little fixes to 3.2.0
add wai-aria to modal element
add wai-aria in the documentation of modal element