Board Thread:Support Requests - Designing Your Wiki/@comment-27179086-20200519131921/@comment-44807868-20200519133119

The navbox uses two collapse classes:. is the class that makes the element to be collapsed by default, so you'd remove that one and only use  so that it can be expanded by default; like so: {| class="navibox theme-affiliation-regulars mw-collapsible" And you can add a parameter to specify whether it should be expanded or collapsed. You can implement it like this: {| class="navibox theme-affiliation-regulars mw-collapsible " And then on the page where you want it to be collapsed, you'd use. Otherwise, you'd simply use  just as you do now if you want it to be expanded.