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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 4: Change the color of all <p> and <h1> elements, to "red". Group the selectors to minimize code..
<!DOCTYPE html> <html> <head> </head> <body> <h1>This is a heading</h1> <h2>This is a smaller heading</h2> <p>This is a paragraph.</p> <p>This is another paragraph.</p> </body> </html>
