Revert previous commit

docs/mdx.md

@@ -6,8 +6,10 @@ title: Powered by MDX
 You can write JSX and use React components within your Markdown thanks to [MDX](https://mdxjs.com/).
 
 export const Highlight = ({children, color}) => ( <span style={{
-      color: '#fff',
-      padding: '0.2rem',
+	backgroundColor: color,
+	borderRadius: '2px',
+      	color: '#fff',
+	padding: '0.2rem',
     }}> {children} </span> );
 
 <Highlight color="#25c2a0">Docusaurus green</Highlight> and <Highlight color="#1877F2">Facebook blue</Highlight> are my favorite colors.