css media query not working

1<meta name="viewport" content="width=device-width,initial-scale=1.0">

1<meta content="width=device-width, initial-scale=1" name="viewport" />
2

1.edcar_letter{
2    font-size:180px;
3}
4
5@media screen and (max-width: 350px) {
6    .edcar_letter{
7        font-size:120px;
8    }
9}
10