Problems with responsive on firefox and IE

Hello,

I have a problem, the website it’s all broken in the majority of the pages in Firefox and IE, when we look at it at a Ipad mini or a Google Nexus. https://www.inovflow.pt/site/portal-do-colaborador/ – for example

There is a solutions for this? The website is supposed to be responsive in all browsers.

I need a quick answer because i’ve to put the website online asap.

Thanks for your help!