Last Updated: 6 years ago in Design Designs are customised by you using the built in Live theme editor, so how long it takes to complete depends on your design, available time and familiarity and experience with website customisation. There is no set amount of time it would take. 1 0 Related Articles Can I have a custom theme designed for me? What's included in the design process? Why do I need a mobile responsive design? What design changes can I make to the site myself? How does the design process work?