Load modular style sheets

- [Narrator] The style sheets in WP Rig aren't just modular … in that they contain individual modules like comments … and sidebar, and widgets, … they're also modular in that they load … with the module they affect. … Meaning, if you have a page that has the sidebar, … then the sidebar.css file loads, … however, if you have a page that doesn't have a sidebar, … sidebar.css does not load … because it belongs to that module. … In addition, these style sheets are loaded … at the component level in the body element. … Let me show you what I mean by that. … If I go to this page, … this is just a page with some comments in it, … and I scroll down to the comment section, … and go Inspect Element, … you'll see over here in the HTML … that right after the comment starts, … we have this call here for the comment style sheet. … Now the call here sits in the middle of the body element. … It's not inside the head element … where you normally see link elements to style sheets. … It's inside the body. …