Updated README.

README.md

@@ -16,22 +16,27 @@ Inline local assets referenced in an HTML document.
 
 This:
 
+```js
 var inlineHtml = require('inline-html');
 inlineHtml('path/to/file.html').then(function (html) {
 	...
 });
+```
 
 Turns this:
 
+```html
 <link rel="stylesheet/less" href="main.less"/>
 <style>
 	div { background-image: url('path/to/file'); }
 </style>
 <div style="background-image: url('path/to/file');"></div>
 <img src="path/to/file"/>
+```
 
 Into this:
 
+```html
 <style>
 	@font-face { src: url('data:...'); }
 	div { background-image: url('data:...'); }
@@ -41,17 +46,22 @@ Into this:
 </style>
 <div style="background-image: url('data:...');"></div>
 <img src="data:..."/>
+```
 
 Where:
 
 - `main.less`
 
+```css
 @import (inline) 'main.css';
 div { background-image: url('path/to/file'); }
+```
 
 - `main.css`
 
+```css
 @font-face { src: url('path/to/file'); }
+```
 
 ## API