Added in this NEW [dm version]:  ver 2.0.8.1dm
- *HORIZONTAL SCROLL Bar* in Dom Tree panel.
- Added a *new Box Model viewer/panel* showing *all data* at once (with *bold numbers* distinct-from 0).  (this is *another entry* in the viewers menu. See screenshot)
- Re-sizable dialog for 'Edit/New Attribute'.

(You can leave original DOM-Inspector installed and disabled for not missing updates).

Please download from Mozilla Addons Page:  https://addons.mozilla.org/firefox/addon/254571/