Professor Leonard Runkiewicz
PhD, DSc
In memoriam
visibility_offDisable flashes
titleMark headings
settingsBackground Color
zoom_outZoom out
zoom_inZoom in
remove_circle_outlineDecrease font
add_circle_outlineIncrease font
brightness_highBright contrast
brightness_lowDark contrast
format_underlinedUnderline links
font_downloadMark links
Reset all optionscached
- flag
