css之box的背景颜色渐变

	background: #f1f1f1; /* Show a solid color for older browsers */
	background: -moz-linear-gradient(#dcdcdc, #ffffff);
	background: -o-linear-gradient(#dcdcdc, #ffffff);
	background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#dcdcdc), to(#ffffff)); /* older webkit syntax */
	background: -webkit-linear-gradient(#dcdcdc, #ffffff);	background: #f1f1f1; /* Show a solid color for