Hide part of website on mobile device

Question

Im using section tags on my website.

This is the website - http://mk18.web44.net/

How would I hide the section that is called Place an Order on mobile devices?

Thanks

Answer 1

Add this to your css:

@media screen and (min-width: 0px) and (max-width: 400px) {
    #order{
        display:none;
    }
}