mobile AT

I use all 4 footers in my theme but in mobile view it only shows the 1..I hav etried this exampletype code with different tweaks that through inspector but still cant get it.arggg

@media screen and (max-width: 480px) {
#footer_content .col-md-3 {
display:block !important;
}
}

changed a bunch of combos words etc..Thanks in advance anyone!