Clean up inspector default stylesheet.
Clean up inspector default stylesheet.

d-tk/dtk,rdebroiz/dtk,d-tk/dtk,NicolasSchnitzler/dtk,NicolasSchnitzler/dtk,NicolasSchnitzler/dtk,NicolasSchnitzler/dtk,d-tk/dtk,d-tk/dtk,d-tk/dtk,rdebroiz/dtk,rdebroiz/dtk,d-tk/dtk,rdebroiz/dtk