* Translation fix
Changed the term "portas de visualização" back to "viewport", because it is a technical term, and when translated it loses its meaning
* Changes in the blockquote tag
The code inside the blockquote tag was translated to portuguese, but code shouldn't be translated because then it doesn't work, so I changed it to the same code of the English version of the challenge.
Also, I changed "A Camper Cat" to "O Camper Cat" in the line 13 because on other pages Camper Cat is referred as male, so it makes more sense to use the article "O" in portuguese.
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