We all know Lisam is horrible software, a lot of it can't be changed but a big problem, at least on smaller screen is the amount of screen real estate taken up by static uncationable or pointless things. For example, there is a like button on the exam registration page...
This userstyle hides functionality which is currently mostly pointless, such as the like button. Howerver, it also hides some useful things like the button to change language.
Furthermore, this userstyle is a hack which relies on the structure of lisam and microsoft sharepoint, it might break or cause strange issues because of incorrect assumptions or LIU/microsoft changes. If things break on lisam or some other sharepoint site, try disabling the userstyle. If that does help, feel free to report an issue in this github repo detailing what broke and I will try and fix it.
Before you begin, read the warning above and make sure you know what you're doing.
First, install a browser extension that supports userstyles, Stylus is a good choice.
Then, open the raw version of the not-so-shit-lisam.user.css. Finally click "install style" and enjoy being slightly less annoyed at the stupidity that is Lisam.