CSS code unable to update on live website

Hello,

I tried creating a register form for my website. I entered a code on the elementor’s custom CSS tab on the left sidebar. However, it’s still not updated on the live site. I tried viewing it on incognito tab, contacting my host, tried all the solutions by elementor support. But the changes is still not updated on my live site.

Could you please help?

Code:
.htmega-register-style-2 {
background: #fff;
padding: 0 80px 50px;
}

The page I need help with: [log in to see the link]