Layouts covers all theme configuration settings if you want to apply manually in project.
Add the following class in your body
tag for updating layout.
class="bg-light layout-vertical-nav"
class="bg-light layout-horizontal-nav"
class="bg-light layout-combo-nav kleon-vertical-nav--collapse"
By default there is no css class at body tag for vertical navigation. But "kleon-vertical-nav--collapse"
css class need to be added to get collapsed vertical nav.
class="bg-light has-right-panel"
data-sidebar="bg-light has-right-panel kleon-vertical-nav--collapse"