请教一个TextBox的属性的问题

<html>
<head>
<title>用户注册</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style>
.txt{
    BACKGROUND-COLOR:#B5DEF7;
    BORDER-BOTTOM:#003399 solid 1px;
    BORDER-LEFT:#B5DEF7 solid 1px;
    BORDER-RIGHT:#B5DEF7 solid 1px;
    BORDER-TOP:#B5DEF7 solid 1px;
    COLOR:white;
    FONT-FAMILY:宋体,Arial;
    FONT-SIZE:9pt;
    PADDING-TOP:2px;
    TEXT-DECORATION:none;
}
</style>
</head><body bgcolor="#B5DEF7" text="#000000">
          <input type="password" name="cpass" class="txt">
</body>
</html>
只要把下面四项的颜色改成一样的就可以  
    BORDER-BOTTOM:#003399 solid 1px;
    BORDER-LEFT:#B5DEF7 solid 1px;
    BORDER-RIGHT:#B5DEF7 solid 1px;
    BORDER-TOP:#B5DEF7 solid 1px;