Is your feature request related to a problem? Please describe.
When using the 'key name" mode the mouse buttons end up disproportionately large in comparison to the other keys.

Describe the solution you'd like
An option that allows for a shortened name to be used, the most common names I have seen are LMB and RMB or MB1 and MB2

Additional context
How it appears in Aurora

How it appears in lunar client for example