Note
This is an example using screenshot plugin for gradle-asciidoctor

Process

First you need to open your favorite browser and navigate to http://google.com

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Figure 1. The Google landing page

Then in the input form, write a query like "asciidoctor"

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Figure 2. Some propositions should appear

You don’t even need to click answers appear in realtime

After a while the answer appears, you don’t event need to click on a button

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Figure 3. Awesome!

Look at the first link and click on it

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Figure 4. Yep that very one link in blue

And you get to the asciidoctor landing page, well and it is responsive

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Figure 5. Look Ma, it’s iphone5!
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Figure 6. Look Ma, it’s iphone6!
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Figure 7. Look Ma, it’s iphone6plus!
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Figure 8. Look Ma, it’s samsung s4!

Here you have just unlocked the google God Badge. Congratulations!!!