Sitemaps error and CSS validation error

[havoc2005]

Hey guys maybe you could help me with this problem I tried to create a sitemap with the ror sitemap generator from google but it didnt map anything past my css file. I assumed that the css file was messed up so i went ahead to the w3schools validator and tried to validate it from the host link and what I got was a message that said I need to create a valid parse tree in the css file or something along that line. What do you think my problem is for not being able to generate the sitemap?
Here is my CSS file attached so you guys can see it.

.top_links {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 9px;
font-style: normal;
font-weight: normal;
font-variant: normal;
color: #FFFFFF;
text-decoration: none;
}
.bottom_links {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 9px;
font-style: normal;
font-weight: normal;
font-variant: normal;
color: #000000;
text-decoration: none;
}
.bottom_text {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 9px;
font-style: normal;
font-weight: normal;
font-variant: normal;
color: #CCCCCC;
text-decoration: none;
}
.main {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 10px;
font-style: normal;
font-weight: normal;
color: #333333;
text-decoration: none;
}
.header_1 {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 14px;
font-weight: bold;
font-variant: normal;
color: #FE0000;
text-decoration: none;
}
.subhead {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
font-weight: normal;
color: #666666;
}

How should I go about creating the sitemap? Thank you

[drhowarddrfine]

The message only means that you need valid HTML to work with your css. Your css is fine as it is.

btw, w3schools links you to the w3c validator. w3schools is not related in anyway to the W3C.