W3School TIY
（请在下面的文本框中编辑您的代码，然后单击此按钮测试结果。）
编辑您的代码：
<html> <head> <style> div { width:160px; height:120px; } </style> </head> <body> Alpha: <div style="filter:alpha(Opacity=20)"> <img src="http://api.chiefleo.com/w3school/i/eg_landscape.jpg" width="160" height="120" /> </div> Gray: <div style="filter:gray()"> <img src="http://api.chiefleo.com/w3school/i/eg_landscape.jpg" width="160" height="120" /> </div> Invert: <div style="filter:invert()"> <img src="http://api.chiefleo.com/w3school/i/eg_landscape.jpg" width="160" height="120" /> </div> Xray: <div style="filter:xray()"> <img src="http://api.chiefleo.com/w3school/i/eg_landscape.jpg" width="160" height="120" /> </div> Mask: <div style="position:absolute;left:10;top:610;"> <img src="http://api.chiefleo.com/w3school/i/eg_landscape.jpg" width="160" height="120" /> </div> <div style="position: absolute; left: 10; top: 610; filter: mask(color=#ffffff); width: 160; height: 120"> <h2>The mask value makes the text transparent</h2> </div> </body> </html>
查看结果: