纯CSS3实现的阴影效果

<div class="demo11">我爱考试</div>

.demo11 {
border: 1px dashed #f2b;
height: 150px;
width: 250px;
text-align: center;
line-height: 150px;
margin: 0 auto;
font-size: 50px;
color: orange;
text-shadow: 1px 1px rgba(197, 223, 248,0.8),2px 2px rgba(197, 223, 248,0.8),3px 3px rgba(197, 223, 248,0.8),4px 4px rgba(197, 223, 248,0.8),5px 5px rgba(197, 223, 248,0.8),6px 6px rgba(197, 223, 248,0.8);
}

<div class="block black" style="background-color: #444;">
<span style="color: rgba(0, 0, 0, 0.5);">
I love test
我爱考试
</span>
</div></p> <p><br clear="all"></p> <p><div class="block white">
<span style="color: rgba(128, 128, 128, 0.5);">
I love test
我爱考试
</span>
</div>

<style>
.block {
font-size: 2em;
font-weight: bold;
margin: 2px;
padding: 2px;
border: solid #AAA 1px;
display: inline-block;
}
.black {
text-shadow: 1px 1px 2px #888, 0 0 0 #000;
}</p> <p>.white {
text-shadow: 1px 1px 2px #FFF, 0 0 0 #000;
}
</style>