How to Transparent Sidebar Your Twitter Page
I’ve had a heck of a time trying to explain this in 140 characters, so I figured it might be best to just post it here and link to it each time someone wants to know how this is done.
That semi-transparent sidebar on Twitter can be completely transparent, allowing more space for those awesome images you’d like to showcase on your custom Twitter background by bringing it more into focus, giving less attention to the links Twitter forces on your sidebar. ;)
In any case, this is how you do it:
1.Login to Twitter and go here: http://twitter.com/settings/design
2.Paste this code into the address bar on your browser
4.Press enter on your keyboard, then click the Save Changes button on that page. Refresh your Twitter homepage to view your changes.
You’ll need to do this each time you make changes to your Twitter background or color scheme. It only seems hard the first time but it’s really not.
Instructions slightly modified from original. A special thanks to these guys are their great Twitter tips! Full instructions and great other tutorials are available here