Date highlight does not show white linked month

Comparing the two source CSS, the _util-mobile's date-month class has white colour precedence for the linked month but the _util-screen does not. Should it has one?

![date-month linked text does not have white precedence](https://f.cloud.github.com/assets/3224347/121539/50470432-6db3-11e2-91b6-7a3243fd637b.PNG)
![date-month linked has white precedence on mobile view](https://f.cloud.github.com/assets/3224347/121540/576b359e-6db3-11e2-8e05-3697f2a56950.PNG)