Top (left, right) Border Radius

In Gridbox, I entered in code editor the css to change border radius top left & right to 50px, on my demo form. It works in Gridbox, but does not display on the website.

See screenshot link of display in Gridbox - https://prnt.sc/vNF8MJ-H3eb8

What could I be doing wrong? See demo link of form on site - https://upgrade.sdf.org.jm/resources/eforms/qr

Replies are visible only to logged in members with an active subscription.