Hi,
It seems like that you are asking about Sharepiont scholling related question, it may need to modify custom asp page.
Hope the link below be helpful for you:
http://kyleschaeffer.com/sharepoint/sharepoint-2010-scrolling/
Please Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
In addition, for sharepoint design related issue, please also post in the sharepoint forum:
https://social.msdn.microsoft.com/Forums/office/en-US/home?category=sharepoint
Regards,
Yan Li
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