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Lab1
bai 1
bai 2
bai 3
Lab2
Lab3
bai 1
bai 2
bai 3
bai 4
bai 5
bai 6
bai 7
bai 8
bai 9
bai 10
Lab4
Bài 5: Change the color of all <p> elements to "red".
<!DOCTYPE html> <html> <head> </head> <body> <h1>What Does WWF Do?</h1> <p>WWF's mission is to stop the degradation of our planet's natural environment.</p> </body> </html>
