Use larger border width for LargePrint theme

themes/largeprint/bottom-active.png

themes/largeprint/bottom-active.svg

themes/largeprint/bottom-active.xpm

themes/largeprint/bottom-inactive.png

themes/largeprint/bottom-inactive.svg

themes/largeprint/bottom-inactive.xpm

themes/largeprint/bottom-left-active.png

themes/largeprint/bottom-left-active.svg

themes/largeprint/bottom-left-active.xpm

themes/largeprint/bottom-left-inactive.png

themes/largeprint/bottom-left-inactive.svg

themes/largeprint/bottom-left-inactive.xpm

themes/largeprint/bottom-right-active.png

themes/largeprint/bottom-right-active.svg

themes/largeprint/bottom-right-active.xpm

themes/largeprint/bottom-right-inactive.png

themes/largeprint/bottom-right-inactive.svg

themes/largeprint/bottom-right-inactive.xpm

themes/largeprint/close-active.png

themes/largeprint/close-inactive.png