Created attachment 556932 [details] screenshot steps to reproduce: 1. Load https://addons-dev.allizom.org/en-US/firefox/ in Chrome after clearing your history. 2. Notice the welcome banner. expected behavior: The Welcome banner has 'x' to close the banner and this 'x' is aligned to the right. actual behavior: 'X' has been replaced with 'Close' which is right besides the banner copy.