Some CSS isn't rendering on site … ideas?

Just wondered if you guys had experience with this sort of thing …

I'm customizing the css of bbPress and things are looking pretty good, but I can't seem to get a couple lines to render on the site.

This is happening in two places:

The forum description before custom css (image 1).

The following css should render the description flush under the forum title (image 2):

div.bbp-forum-content {
padding-left: 15px;
padding-right: 100px;
}

Search box is too short by default (image 3). The following css should extend the box to 500px (image 4):

#bbp_search {
width: 500px;
}

Thanks!

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