I'm sorry if this topic already exists, but I' have finished the first unit of HTML & CSS. At the end of the text that referes on the first capture that I have mentioned says: Instructions: Add the required declaration on line 1 of index.html. I don't understand what I need to do. Please, help!
Thank you very very much!
All html pages need to include the DOCTYPE html at the top of the page make sure to include the greater/less than symbols and exclamation point.
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