Не срабатывают css стили в медиа-запросе css файла
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<link rel="stylesheet" href="css/test_mobile.css" />
<link rel="stylesheet" href="css/test.css" />
</head>
<body>
<div class="block">TEST</div>
</body>
</html>
.block {
display: flex;
justify-content: start;
padding: 20px 20px 20px 20px;
background-color: red;
color: white;
}
@media screen and (max-width: 412px) {
.block {
display: flex;
justify-content: start;
padding: 20px 20px 20px 20px;
background-color: green;
color: gold;
}
}
Источник: Stack Overflow на русском