Well, there is Stylish add-on for Firefox and Chrome, try it with style that suits you. For instance: http://userstyles.org/styles/12503/hacker-news-skinnier ht

Well, there is Stylish add-on for Firefox and Chrome, try it with style that suits you. For instance: http://userstyles.org/styles/12503/hacker-news-skinnier http://userstyles.org/styles/12503/hacker-news-skinnier