Button specific variables
$gbc-ButtonWidget-margin-ratio
Type: number
Default value: $theme-margin-ratio
Computed value: 0.6
$gbc-ButtonWidget-font-size-ratio
Type: number
Default value: $theme-font-size-ratio
Computed value: 0.8
$gbc-ButtonWidget-default-height
Type: size
Default value: $theme-field-default-height
Computed value: 22.4px
$gbc-ButtonWidget-color
Type: color
Default value: $theme-primary-color
Computed value: white
$gbc-ButtonWidget-focus-background-color
Type: color
Default value: $theme-primary-emphasis-background-color
Computed value: #1e88e5
$gbc-ButtonWidget-autoscale-svg-color
Type: color
Default value: $mt-red
Computed value: #f44336