The exit 'X' in Modal is hard to see when scrolling

[ThomasKranitsas]

Expected behaviour:

• Let's add some white background to the X button and add some padding so it's easier to see it when it's above the text

[sandhiyakavi]

Verified in Dev Env.

1. stock photo policy - Branding page

2. Order contract - Payment page

3. Modals under Details tab