A wrapper for the button images, so that we can change them in one place.
PlayStation
{{button|u}}= Up{{button|d}}= Down{{button|l}}= Left{{button|r}}= Right{{button|ud}}={{button|lr}}={{button|dpad}}= D-Pad{{button|stickl}}={{button|stickr}}={{button|x}}= X{{button|c}}= Circle{{button|t}}= Triangle{{button|s}}= Square{{button|l1}}= L1{{button|l2}}= L2{{button|r1}}= R1{{button|r2}}= R2{{button|start}}= Start{{button|select}}= Select{{button|pspana}}=
{{button|l3}}={{button|r3}}={{button|touchpad}}={{button|options}}=
Nintendo DS and 3DS
{{button|DSA}}= A{{button|DSB}}= B{{button|DSX}}= X{{button|DSY}}= Y{{button|3DSana}}={{button|shoulderl}}={{button|shoulderr}}=
Nintendo Switch
{{button|switcha}}={{button|switchb}}={{button|switchx}}={{button|switchy}}={{button|switchl}}={{button|switchr}}={{button|switchzl}}={{button|switchzr}}={{button|switchdpad}}={{button|switchleft}}={{button|switchright}}={{button|switchup}}={{button|switchdown}}={{button|switchleftright}}={{button|switchupdown}}={{button|switchplus}}={{button|switchminus}}=
Xbox
{{button|xboxb}}={{button|xboxa}}={{button|xboxy}}={{button|xboxx}}={{button|xboxlb}}={{button|xboxrb}}={{button|xboxlt}}={{button|xboxrt}}={{button|xboxdpad}}={{button|xboxmenu}}={{button|xboxview}}=
Keyboard
{{button|keywasd}}={{button|keyarrows}}={{button|keya}}={{button|keyb}}={{button|keye}}={{button|keyf}}={{button|keyg}}={{button|keyh}}={{button|keyt}}={{button|keyu}}={{button|keyspacebar}}={{button|keyctrl}}=