Tabs are overlapping. Text is distorted. The sidebar is broken. Colors are wrong. What happened?
Check to see there is a missing comma, incorrect spelling, or syntax issue. Remember, every parameter in the Preferences file needs a comma at the end (excluding the last one). * If there is nothing wrong with the preferences file, then the problem lies in the theme-file. Your best option to restore the theme file is to do a fresh install (Revert Instructions) All is not lost though. If you simply take the new fresh Theme - Default file and copy it back into your Packages directory, you should be able to continue your coding endeavors right where you left off.