code-lab/node_modules/vuetify/lib/components/VCounter/_variables.scss

// VCounter
$counter-color: rgba(var(--v-theme-on-surface), var(--v-medium-emphasis-opacity)) !default;
$counter-flex: 0 1 auto !default;
$counter-font-size: 12px !default;
$counter-line-height: $counter-font-size !default;
$counter-min-height: 12px !default;
$counter-transition-duration: 150ms !default;