Google Code-in

When the links on the Sidebar are hovered on Tablet sized devices, its background changes to white which is same as the color of those links. As a result of which the links disappear on hover.

Change the color of the link and its background to make it behave in the same way as in mobile devices.

Refer first image in https://github.com/sugarlabs/www-sugarlabs/issues/143 for details.