Remove normalize.css and Optimize head tag order. (#3034)

docs/css.md

@@ -5,30 +5,11 @@ table of contents](TOC.md)
 
 HTML5 Boilerplate's CSS includes:
 
-- [Normalize.css](#normalizecss)
 - [style.css](#stylecss)
 
-## Normalize.css
-
-In order to make browsers render all elements more consistently and in line with
-modern standards, we include Normalize.css — a modern, HTML5-ready alternative
-to CSS resets.
-
-As opposed to CSS resets, Normalize.css:
-
-- targets only the styles that need normalizing
-- preserves useful browser defaults rather than erasing them
-- corrects bugs and common browser inconsistencies
-- improves usability with subtle improvements
-- doesn't clutter the debugging tools
-- has better documentation
-
-For more information about Normalize.css, please refer to its [project
-page](https://necolas.github.io/normalize.css/).
-
 ## style.css
 
-Several base styles are included that build upon `Normalize.css`. These styles:
+Several base styles are included. These styles:
 
 - provide basic typography settings that improve text readability
 - protect against unwanted `text-shadow` during text highlighting
@@ -38,7 +19,4 @@ Several base styles are included that build upon `Normalize.css`. These styles:
 - and more...
 
 These styles are included in
-[style.css](https://github.com/h5bp/html5-boilerplate/blob/main/dist/css/style.css)
-using [main.css](https://github.com/h5bp/main.css) project.
-See the main.css [documentation](https://github.com/h5bp/main.css/blob/main/README.md#features)
-for a full discussion of these styles.
+[style.css](https://github.com/h5bp/html5-boilerplate/blob/main/dist/css/style.css).

docs/usage.md

@@ -30,7 +30,6 @@ A basic HTML5 Boilerplate site initially looks something like this:
 ```
 .
 ├── css
-│   ├── normalize.css
 │   └── style.css
 ├── doc
 ├── img