How do I turn on night mode in Safari's reading view?

How do you turn on Safari's Night mode in iOS 9 devices when Apple's safari is not supported by night mode before iOS 9? The following small series will show you how to open the night mode in Safari's reading view.

1. Open the article you want to read in Safari

2. If the page supports reading view mode, a button with multiple horizontal lines appears to the left of the Safari address bar and clicks on it

3. Now you're in Safari's reading view mode (reading view mode simplifies the web, hiding unwanted content such as ads, sidebar items)

4. Click the AA button on the right of the address bar, and then show a lot of options in front of you, choose Black to enter the night mode

In addition to the background color, you can choose a different font or color here, iOS 9 new Reading view mode to provide users with more permissions, so now you look forward to iOS 9, or the enhanced Safari arrival?