[FEATURE] Add an table of all avialbe modifiers on top of each styleguide section
[TASK] Close the sideMenu if the user clicks inside the content area
[BUGFIX] Fix the class setting on the menuToggle link if the user clicks inside the content area
[MISC] Code consistency
[TASK] Add an :hover effect for the menuToggle button
[DOCS] Fix the explanational comment for the primary brandColor class
[TASK] Use the proper element for the modifier classes in the modifier overview
[TASK] Set the styleguides siteHeader to position: fixed;
[TASK] Style consistency for 3rd level headings
[MISC] Fix the body's background if the content is less longer than the UA's window