Updates!

Here is a lot of very small updates. The will probably a diff between every file because of the following:

* Formatting
* Removal of extra trailing whitespace characters

Other updates include:

* Updates to the recently added subsections
* Color changes on the subsections based on the current admin theme
* Cleaned up admin.less (and all other files that depend on admin.less)
    *  Removal of extra `px` when any `0px` was found
    * Nesting of elements the less way
    * and much more...