How to use:
1- Copy any CSS code block from Chrome's Dev Tools Styles menu to the clipboard (CTRL+C).
2- Press the CSS icon in the extensions menu.
3- That's it, you're done, the inline style tag is auto copied to your clipboard (and also visible in the popup page).
4- You can modify the CSS code and press the 'ReTrim' button to create the style tag again, with your changes.