The document provides instructions for customizing the look and feel of Libguides at the University of Cape Town (UCT). It explains that users can change the guide style by selecting "Guide Look & Feel" and then "Change Guide Style," which allows them to choose colors for page headers, tabs, and boxes, as well as options for tab shapes. It also provides a link to a page listing over 500 color options by name, hex code, RGB value, and Microsoft Access code number for additional customization choices.