References:

• http://gradients.glrzad.com/
• http://css-tricks.com/css3-gradients/
• Linear syntax: http://www.broken-links.com/2009/11/26/css-gradient-syntax-comparison-of-mozilla-and-webkit/
• Radial syntax: http://www.broken-links.com/2009/11/30/css-gradient-syntax-comparison-of-mozilla-and-webkit-part-2/
• Mozilla radial: https://developer.mozilla.org/en/CSS/-moz-radial-gradient
• http://www.broken-links.com/tests/gradients/
• http://hacks.mozilla.org/2009/11/css-gradients-firefox-36/
• WebKit box-shadow: http://webkit.org/blog/86/box-shadow/
• text-shadow: http://www.quirksmode.org/css/textshadow.html
• text-shadow: https://developer.mozilla.org/en/CSS/text-shadow