* Reduce specificity of some button styles
* Submit container: make it possible for themes to change the shadow color without the need to rewrite shadow values
* Use background-color instead of background property in docs
* Add docs to style the button and the submit container
* Remove border from button
* Add back state styles to button component
* Docs improvements
* Undo unncessary changes in button component styles
* Add spaces
* Update item count badge styles
* Make sure item count badge doesn't break in multiple lines
* Make item count badge have white background
* Add docs
* Move order summary CSS properties outside of the sidebar class to reduce specificity
* Move Order summary to its own component