I'm developing a WordPress site that needs to be responsive and for that I'm using media queries:
<head>
...
<link rel="stylesheet" href="css/style.css"/>
<link rel="stylesheet" href="css/mobile.css" media="screen and (max-width: 768px)">
...
</head>
When testing it on mobile devices, however, it is not calling the css from the mobile.css file. What should I do? The site is this one