无法使用CSS更改字体颜色？

I have the following HTML

我有以下HTML

<div class = "left">
<div id = "links">
<a href = "none" style = "text-decoration: none"><b>About</b></a>
<br>
<a href = "none" style = "text-decoration: none"><b>Principals</b></a>
<br>
<a href = "none" style = "text-decoration: none"><b>Contact</b></a>    
<br>    
</div>
</div>​
<div cla