A wrapper for the button images, so that we can change them in one place.
PlayStation
{{button|u}}=
{{button|d}}=
{{button|l}}=
{{button|r}}=
{{button|ud}}={{button|lr}}={{button|dpad}}=
{{button|stickl}}=
{{button|stickr}}=
{{button|x}}=
{{button|c}}=
{{button|t}}=
{{button|s}}=
{{button|l1}}=
{{button|l2}}=
{{button|r1}}=
{{button|r2}}=
{{button|start}}=
{{button|select}}=
{{button|pspana}}=
{{button|l3}}=
{{button|r3}}=
{{button|touchpad}}=
{{button|options}}=
Nintendo DS and 3DS
{{button|DSA}}=
{{button|DSB}}=
{{button|DSX}}=
{{button|DSY}}=
{{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}}=