I noticed the gear button didn't work, so I checked out the devtools console. I found a few errors in the output.
[Error]
Uncaught SyntaxError: missing } after property list
note: { opened at line 1, column 21
https://manilarome.github.io/lightdm-webkit2-theme-glorious/lang/vars.js :1
https://manilarome.github.io/lightdm-webkit2-theme-glorious/lang/vars.js :129
[Output]
Debug!
[Output]
Users Array(6) [ {…}, {…}, {…}, {…}, {…}, {…} ]
[Error]
Uncaught (in promise) ReferenceError: languagePack is not defined
_getLanguagePack https://manilarome.github.io/lightdm-webkit2-theme-glorious/js/language.js :32
Language https://manilarome.github.io/lightdm-webkit2-theme-glorious/js/language.js :9
_createPowerObject https://manilarome.github.io/lightdm-webkit2-theme-glorious/js/power.js :22
_init https://manilarome.github.io/lightdm-webkit2-theme-glorious/js/power.js :115
Power https://manilarome.github.io/lightdm-webkit2-theme-glorious/js/power.js :6
initGreeter https://manilarome.github.io/lightdm-webkit2-theme-glorious/js/script.js :44
<anonymous> https://manilarome.github.io/lightdm-webkit2-theme-glorious/js/script.js :85