Remove unneeded selectors, share font-family definitions
Share styles between zoom & extent control
Make fullscreen control use shared styles
use button elements and add tooltips to zoomcontrol
use button elements instead of anchor elements and add tooltips to zoomcontrol
Better integration of button tooltips
Use «em» for buttons sizing
Make zoom control tip texts configurable
Coding style
Make zoomToExtent control use <button> instead of <a>
Make Fullscreen control use <button> instead of <a>
Minor cleanups
Use «em» based positioning
Css tweaks for touch devices
Restore `preventDefault` call that shouldn’t have been removed
Wording in description
Reorder default controls
Merge pull request #1725 from tonio/a11y-enhanced-zoomcontrol

Enhance controls accessibility