Upgrade your Battlelog!!! Follow the 3 steps!!!
1. BB Add-on: http://getbblog.com/en/download
2. Stylish (Firefox): https://addons.mozilla.org/en-US/firefox/addon/stylish/
3. BL Dark Theme: http://userstyles.org/styles/58776/bf3-battlelog-dark-theme-v1-0-8