Modal specific variables
$gbc-ModalWidget-margin-ratio
Type: number
Default value: $theme-margin-ratio
Computed value: 0.6
$gbc-ModalWidget-field-height-ratio
Type: number
Default value: $theme-field-height-ratio
Computed value: 0.7
$gbc-ModalWidget-z-index
Type: number
Default value: $z-index-Modal
Computed value: 55
$gbc-ModalWidget-button-hover-color
Type: color
Default value: $theme-primary-background-color
Computed value: #1976d2