Fix typography

Signed-off-by: Aniket Pant <me@aniketpant.com>
Fix markup

Signed-off-by: Aniket Pant <me@aniketpant.com>
Add margin-bottom to highlight

Signed-off-by: Aniket Pant <me@aniketpant.com>
Bump version
Version upgraded to 1.3.1

Signed-off-by: Aniket Pant <me@aniketpant.com>