Fix sinful typo

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

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

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

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