backwards text css

1.mirror{
2    display: inline-block; 
3    font-size: 30px;
4
5    -webkit-transform: matrix(-1, 0, 0, 1, 0, 0);
6    -moz-transform: matrix(-1, 0, 0, 1, 0, 0);
7    -o-transform: matrix(-1, 0, 0, 1, 0, 0);
8    transform: matrix(-1, 0, 0, 1, 0, 0);
9}