It's a dropshadow on the text which makes the button text look embossed when there is a gradient on the buttons. There will be gradients on the buttons. https

It's a dropshadow on the text which makes the button text look embossed when there is a gradient on the buttons. There will be gradients on the buttons. https://github.com/twitter/bootstrap/pull/6342#issuecomment-12332378 https://github.com/twitter/bootstrap/pull/6342#issuecomment-...