测试CSS3渐变背景的代码. gradient{
width:300px;
height:150px;
filter : alpha (opacity=100 finishopacity=50 style=1startx=0,starty=0,finishx=0,finishy=150 ) progid:
-ms-filter:阿尔法(opacity=100 finishopacity=50 style=1startx=0,starty=0,finishx=0,finishy=150 ) progog
}