app/assets/stylesheets/bootstrap-overrides.scss
// Bootstrap overrides
// For a complete list of variables that can be overridden in Bootstrap 4.6,
// see here: https://github.com/twbs/bootstrap/blob/v4.6.2/scss/_variables.scss
$headings-color: $blue-very-dark;
$body-color: $blue-dark;
$link-color: $blue-dark;
$link-hover-color: $blue-very-dark;
$link-decoration: underline;
$tooltip-bg: $grey-very-dark;
$btn-font-family: $header-font-family;
$btn-font-weight: $font-weight-semibold;
$btn-border-radius: 10rem;
$btn-border-radius-sm: $btn-border-radius;
$btn-border-radius-lg: $btn-border-radius;
$custom-control-indicator-checked-bg: darken($teal-dark, 5%); // darkened slightly to match input accent color (base.scss)