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<td height=20 class="p1" bgcolor="#E8E8E8" align="left"><img src="/pc/img/blank.gif" width="12" height="8"><font color="#FF9966">当前位置</font>：<a href="/default.htm" class="under">洪恩在线</a>
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<td width="115" align="center" class="p2"><b><font color="#FFFFFF">CSS教程</font></b></td>
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<p class="p1" style="line-height:17pt" align="left"> <font color="#CC3399">→</font>
<a href="css0101.htm">CSS快速入门</a><br>
<font color="#CC3399">→</font> <a href="css0201.htm">怎样编写CSS</a><br>
<font color="#CC3399">→</font> <a href="css0301.htm">CSS属性</a><br>
<font color="#CC3399">→</font> <a href="css0401.htm">CSS定位</a><br>
<font color="#CC3399">→</font> CSS滤镜<br>
1.<a href="css0501.htm">概述</a><br>
2.<a href="css0502.htm">Alpha属性</a><br>
3.<a href="css0503.htm">Blur属性</a><br>
4.<a href="css0505.htm">Chroma属性</a><br>
5.<a href="css0506.htm">Dropshadow属性</a><br>
6.<a href="css0507.htm">Fliph、Fliv属性</a><br>
7.Gray属性<br>
8.<a href="css0309.htm">Glow属性</a><br>
9.<a href="css0510.htm">Invert属性</a><br>
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<p align="center"><b><span class="p3"><br>
<font color="#3366CC">五、CSS滤镜</font></span></b></p>
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<p class="p2" style="line-height:17pt"> <b><font color="336633">7、Gray属性</font></b>
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<p class="p2" style="line-height:17pt"> Gray属性把一张图片变成灰度图。它的表达式很简单： </p>
<p class="p2" style="line-height:17pt"> <font color="006666">Filter：Gray</font>
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<p class="p2" style="line-height:17pt"> 其实这个属性没什么好讲的，只需在您定义的IMG样式中加入一句代码：</p>
<p class="p2" style="line-height:17pt"> <font color="006666">{Filter：Gray}</font>就一切OK了。<br>
下面两幅图分别代表未加Gray属性和添加了Gray属性的效果：</p>
<p align="center"><a href="img/css042.jpg" target="_blank"><img src="img/css0421.gif" width="100" height="66" border="0" alt="原图"></a>
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<p class="p2" style="line-height:17pt" align="center"><font color="#CC0033">这是原图，点击可放大</font></p>
<p align="center"><img src="img/css043.gif" width="282" height="187" border="0" alt="gray属性效果">
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<p class="p2" style="line-height:17pt" align="center"><font color="CC0033">转成gray属性后的效果图</font></p>
<p class="p2" style="line-height:17pt"> 本节讲述的内容比较简单，下一节将向您介绍Invert转化属性。
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<p class="p1" align="right"><a href="css0508.htm">上一节</a> <a href="css0510.htm">下一节</a> </p>
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