docs: fix home styles

libs/index.md

@@ -1,6 +1,7 @@
 # Badgen
 
-Fast badge generating service.  
+Fast badge generating service.
+
 [![classic](https://badgen.net/badge/style/classic/pink)](https://badgen.net)
 [![flat](https://flat.badgen.net/badge/style/flat/pink)](https://flat.badgen.net)
 
@@ -64,7 +65,7 @@ Available query params:
 
 | Preview | URL |
 | ------- | --- |
-|![](/badge/Swift/4.2/orange) | [/badge/Swift/4.0/orange](/badge/Swift/4.2/orange)
+|![](/badge/Swift/4.2/orange) | [/badge/Swift/4.2/orange](/badge/Swift/4.2/orange)
 |![](/badge/license/MIT/blue) | [/badge/license/MIT/blue](/badge/license/MIT/blue)
 |![](/badge/chat/on%20gitter/cyan) | [/badge/chat/on%20gitter/cyan](/badge/chat/on%20gitter/cyan)
 |![](/badge/stars/★★★★☆/green) | [/badge/stars/★★★★☆](/badge/stars/★★★★☆/green)

libs/serve-index.js

@@ -7,6 +7,7 @@ module.exports = serveMarked('libs/index.md', {
     body { max-width: inherit }
     body > * { width: 960px; margin-left: auto; margin-right: auto; box-sizing: border-box }
     h1 + p { letter-spacing: 0.1px }
+    h1 + p + p { text-align: center }
     h1 + p a { display: inline-block; margin-top: 1em; padding: 4px; height: 20px }
     img { height: 20px }