Learn how to hide scrollbars with CSS.
Read on how to do it in this tutorial: https://www.w3schools.com/howto/howto_css_hide_scrollbars.asp
How To Hide Scrollbars
Add overflow: hidden;
to hide both the horizontal and vertical scrollbar.
Try it yourself here: https://www.w3schools.com/howto/tryit.asp?filename=tryhow_css_hide_scrollbars