css 颜色渐变

1. background: #1b6c9b;

2.    filter: alpha(opacity=100 finishopacity=50 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=red,endcolorstr=blue,gradientType=1);

3.    -ms-filter: alpha(opacity=100 finishopacity=50 style=1 startx=0,starty=0,finishx=0,finishy=150) progid:DXImageTransform.Microsoft.gradient(startcolorstr=red,endcolorstr=blue,gradientType=1);

4.    background: -moz-linear-gradient(top, red, rgba(0, 0, 255, 0.5));

5.    background: -webkit-gradient(linear, 0 0, 0 bottom, from(#1388BF), to(rgb(47, 81, 142)));

6. 
   

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