StickyCommunityHeader

 makes the community header sticky, meaning that it will stay on the top no matter how much the user is scrolling.

Tip: The header shortcuts can be used as an alternative toolbar, except with limited options.

Minor Changes
Other changes included in this stylesheet are:
 * A box shadow under it because modern sticky headers usually have a shadow under them.
 * Reduced height, to prevent excessive clutter.
 * Removed header image, otherwise, the reduced height would've ruined the header image.
 * The global navigation will also be sticky and cannot hide.
 * Removed everything except the logo and the local navigation in devices under 1024 pixels.

Textual wordmark removal
To remove the textual wordmark, add this in common.css in the wiki(s) of your choice: