app_vue2/assets/css/variables.scss

// Ref: https://github.com/nuxt-community/vuetify-module#customvariables
//
// The variables you want to modify
// $font-size-root: 20px;
$btn-text-transform: none;

$breadcrumbs-padding: 5px 5px;
$breadcrumbs-even-child-padding: 0 10px;
$body-font-family: 'Source Sans Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif !important;