* feat(base/modal): order props alphabetically
* feat(base/ui): added ripple color for tertiary button
* feat(prejoin): removed autoFocus from input and adjusted content
* feat(conference): adjusted RaisedHandCountLabel and added extra code spaces
* feat(prejoin): fixed content to fit tablets
* feat(conference): moved header button styles to navigation styles
* feat(mobile/navigation): updated header navigation button styles
* feat(prejoin): updated elements width, removed left inset