I was Browsing GoDaddy's website and saw they use their buttons inside their input fields, see for yourself:



![enter image description here][1]
"Go" buttons, inside of input's frame


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Live example:

 - http://www.godaddy.com/





Is this a good practice, or the buttons should stay outside, on the right?


  [1]: https://i.sstatic.net/Qn98A.png