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Sina Maleki6,135 Points
check work button in first challenge doesn't work.
i've just written "<h1></h1>" in editor in first challenge, but check work button doesn't work
Mark CasavantesCourses Plus Student 13,401 Points
I am not sure what the lesson is asking and how far your lessons have progressed in HTML. I would recommend you add the following and see if it helps you.
<!DOCTYPE html> <html> <body> <h1></h1> </body> </html>