Answer 1

It is recommended that you do not use the marquee tag and instead use css. But if you really must know it is just like any other tag, just use:

<marquee>*Your text*</marquee>

If you don't want the text to just slide from right to left you can edit that easily:

https://code.sololearn.com/WYZ8xEehxIlM/#html

Credit to: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/marquee