Any possibility that a tag that references the header_hidden class is not properly terminated and is maybe causing the entire report to disappear?

>I have the following style for some printing issues:
>
>

>@media print
>{
>
>   .PrintReport
>   {
>      Font-Face: Courier New, Courier, mono;
>      Font-Size: 8px;
>   }
>
>
>   .Header_Hidden
>   {
>      Visibility: Hidden;
>      Display: None;
>   }
>
>}
>
>@media screen
>{
>
>   .PrintReport
>   {
>      Font-Face: Courier New, Courier, mono;
>      Font-Size: 12px;
>   }
>
>}
>

>
>This works well in Print Preview. The font size for the class PrintReport is adjusted when in Print Preview and some sections are hidden for those that I have defined a Header_Hidden class.
>
>However, when I print, I loose all that. Basically, nothing works when I print. Anybody would know what I am missing?