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Getting ready

To get acquainted with the alert component of the Bootstrap 4 framework, refer to the official documentation at https://v4-alpha.getbootstrap.com/components/alerts/.

A quick tip regarding code formatting on Cloud9 IDE: There is a simple solution for users to format code in Cloud9 IDE. The user should align all the copy/pasted code to the left margin with a couple of strokes of Shift + Tab. Then, to format the code, simply use the keyboard shortcut Ctrl + Shift + B.

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