Retain previous open file tab under visible tabs

Question

Eclipse Juno - In my workspace I have \'Package Explorer\' opened on the left side, on the right side I have 6 visible file tabs and under \'Show List\' I have 17 files.

Answer 1

Here is a quick update for anweibel's answer for Eclipse Luna:

The CSS you wanna edit is now located at

• INSTALL/plugins/org.eclipse.ui.themes_1.0.0.qualifier/css