aware_support wroteIt definitely is. We have gone through this in detail.
It is hard to give a response to such little detail.
Empirically, the safari browser when the User Agent is set to something other than Safari, displays the group box in a consistent manner to the other browsers.
User Agent Refresh In Action
Obviously I don't know what other styling fails as I am only using the default functionality but if Aware is going to take a fragmentary approach to how applications will work in different browsers then, personally, I feel that this is a retrograde route to take.
Unless you are developing for a limited and controlled set of users where you know what the browser it going to be then you have to assume that ⅓ of your users in USA, Australia and UK are getting a different experience. If the fix to that is "use CSS" then surely that should be the embedded solution.