saas-one/frontend/saas-web/ext/classic/theme-triton/sass/var/grid/locking/Lockable.scss

$grid-lockable-separator-border-color: dynamic($grid-header-border-color);
$grid-lockable-separator-border-width: dynamic(top($grid-body-border-width));
$grid-lockable-body-border-width: dynamic($panel-body-border-width);