CSS3

background:linear-gradient(to right top, #fff, #000 ); //标准写法
background:-webkit-gradient(linear,left bottom, right top, from(#fff), to(#000));//webkit旧式写法
background:-webkit-linear-gradient(left bottom, #fff, #000); //webkit新式写法
background:-moz-linear-gradient(left bottom, #fff, #000);//Mozlilar
background:-o-linear-gradient(left bottom, #fff, #000); //opare