div 透明的处理

<div style="width:100px;height:100px;background-color:#eeeeee;margin-top:-50px;filter:alpha(opacity=30);-moz-opacity: 0.6;opacity: 0.6;"></div>


filter:alpha(opacity=30);-moz-opacity: 0.6;opacity: 0.6;

黑白照片 filter: gray;
X光照片 filter: Xray;
风动模糊 filter: blur(add=true,direction=45,strength=30);
正弦波纹 filter: Wave(Add=0, Freq=60, LightStrength=1, Phase=0, Strength=3);
半透明效果 filter: Alpha(Opacity=50);
线型透明 filter: Alpha(Opacity=0, FinishOpacity=100, Style=1, StartX=0, StartY=0, FinishX=100, FinishY=140);
放射透明 filter: Alpha(Opacity=10, FinishOpacity=100, Style=2, StartX=30, StartY=30, FinishX=200, FinishY=200);
白色透明 filter: Chroma(Color=#FFFFFF);
降低色彩 filter: grays;
底片效果 filter: invert;
左右翻转 filter: fliph;
垂直翻转 filter: flipv;
投影效果 filter:progid:dXImageTransform.Microsoft.DropShadow(color=#cccccc,offX=5,offY=5,positives=true);
马赛克 filter:progid:dXImageTransform.Microsoft.Pixelate(maxsquare=3);
发光效果 filter:progid:dXImageTransform.Microsoft.Glow(color=#cccccc,Strength=5);
柔边效果 filter:alpha(opacity=100, finishOpacity=0,style=2