A CodePen by Gabriel do Nascimento Barbier. Linear-gradient - It's an up-to-date way to make linear gradients.
Cross-browser and with fallbacks for older Internet Explorer and Mobile Browsers.
Thanks to Lea Verou (http://lea.verou.me/2013/04/can-we-get-rid-of-gradient-prefixes/) and Bernard de Luna (http://tableless.com.br/como-usar-gradient-no-css-de-forma-consciente/#.UazwCUCyCSI)