效果：
可以跟Google的Logo几乎为一样，不过只是用简单的HTML编写的。
代码如下：
<strong><span style="font-family: times; color: #0039b6;">G</span><span style="font-family: times; color: #c41200;">o</span><span style="font-family: times; color: #f3c518;">o</span><span style="font-family: times; color: #0039b6;">g</span><span style="font-family: times; color: #30a72f;">l</span><span style="font-family: times; color: #c41200;">e</span></strong>