that you can customize your ad units. But a different principle applies here
that applies to your ads: you want your search box to look like a search box.
You can certainly make the box look like part of your site so that it looks
attractive but as I said, keep the button grey.
People trust Google to deliver results that they want. If the search box
reminds them of Google, they’re more likely to use it than go to Google.com
and search from there.
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