v1.5.11

Feature

• Include the close icon styles in the classless version, by @asbjornu
  #400

Fix

• Add missing chevron icon when accordion is disabled, by @thewebartisan7
  #410

Documentation

• Use only one h* tag in the hgroup example, by @ericfortmeyer
  #404

Chore

• Upgrade dependencies

Full changelog

A huge thank you to all the contributors ❤️