Question

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$<fontcolor="white"><marquee behavior="alternate" direction="left" style="Background : pink" >★Hello★</marquee></font>$

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$<fontcolor="white"><marquee direction="left" style="Background : orange">Answer the Que.?xD</marquee></font>$

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$<fontcolor="white"><marquee direction="down" style="Background : orange">★What is Latex document ? ★</marquee></font>$
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Answer 1

LaTeX is a high-quality typesetting system; it includes features designed for the production of technical and scientificdocumentation. 

Answer 2

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LaTeX – A documentpreparation system. LaTeX is a high-quality typesetting system; it includes features designed for the production of technical and scientific documentation. LaTeX is the de facto standard for the communication and publication of scientificdocuments.