The terms and conditions checkbox

is setup in Global – Custom fields

“Book now” button

is styled in the child theme’s styles.css file

How to customize the journey pages

https://vikwp.com/support/knowledge-base/vik-booking/customization-tips/pages-overrides

Buttons colours wrong

untick ND library – Theme options – Customizer

don’t do it: it will disable the theme options and tweaks, including the custom menu.
Instead, you can ammed the child theme style.css

Calendar background wrong

check the vikbooking included  jquery repeat x

Display Price type on the search results page

Override page default_classic.php of the View “search” and use variable below:
echo VikBooking::getPriceName($room[0][‘idprice’], $this->vbo_tn);

Change words on web pages

Use the Loco Translate plugin to find and replace. Make sure you first add the UK language (not US) in Loco, if your website is in UK language.

How to add add BCC email to confirmation email

Global config – conditional text – add extra email

How to allow user to see vikbooking in backend

When in vikbooking as an admin, see the button Permissions on the very top of the page.