Zwanzig23 by Lukas Jakobi

Various functions are available as part of the map.

• moving by grabbing the map with a mouse-click you can move the map around
• overview map using the < button in the bottom right of the map you can expand an overview map
• zooming in and out using the + and - buttons in the top left of the map you can obtain more or less detail in the map
• switching themes or maps clicking on the ≡ icon on the right-hand side of the map you can view and select available maps and themes
• retrieving information the map may contain elements that contain more information, by clicking these a popup will show this information
• fullscreen display using the ⛶ button the map can be maximized to fullscreen display, use the ▢ button to return to page display.

Keyboard operation becomes available after activating the map using the tab key (the map will show a focus indicator ring).

• moving using the arrow keys you can move the map
• overview map using the + button in the bottom right of the map you can expand an overview map
• zooming in and out using the + and - buttons in the top left of the map or by using the + and - keys you can obtain more or less detail in the map
• switching themes or maps clicking on the ≡ icon on the right-hand side of the map you can view and select available maps and themes
• retrieving information the map may contain elements that contain more information, using the i key you can activate a cursor that may be moved using the arrow keys, pressing the enter will execute an information retrieval. press the i or the escape key to return to navigation mode
• fullscreen display using the ⛶ button the map can be maximized to fullscreen display, use the ▢ button to return to page display.

It's possible that some of the functions or buttons describe above have been disabled by the page author or the administrator