HTML code for adding marquee for SharePoint Online site
<marquee behavior="slide" direction="left">Welcome to SharePoint Online</marquee>
<p style="font-size:10px;"><a href=http://www.office365/> Office 365 </a></p>
If you want continuous scrolling text, you need to add “scroll” where it says “ slide”

July 27, 2011 
I love this! Thank you! Now if I could only figure out why pictures are getting the red X of death.
how to display multiple lines of text .can you please tell me
how to show multiple lines of text continuous scrolling in share point.can you please update me…..
You can do this using CSS or DHTML scripts
Go to http://www.dynamicdrive.com/
@Swathi You can give ‘scroll’ instead of ‘slide’ for behavior attribute , then there will be continuous scrolling.
how do i add this code to my sharepoint online site?
Click HTML
i am using the code below for marquee and i want scrolling to stop over mouse and it didnt work, any help pls