Hide category description for all users and visitors

Hello, i tried this code to hide the category description in the archive page.

.term-description {

    display: none;
}

However, it hides only for the admin. When i log out, i still can see the category description. Please help ! How can i fix to hide the category description for everyone (all users and visitors). Thanks in advance.

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